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Distortion Detector(7)
Uses item details. Price when purchased online
Deal Reolink Argus 4 Pro 4K 8MP Battery Wi-Fi Security Camera, Color Night Vision, 2-Way Audio, IP66, 180° View From $138.99

Sponsored
From$13899
Reolink Argus 4 Pro 4K 8MP Battery Wi-Fi Security Camera, Color Night Vision, 2-Way Audio, IP66, 180° View
73.9 out of 5 Stars. 7 reviews
(2 pack) Reolink Duo 2V PoE 4K 8MP Dual-Lens 180° Outdoor Spotlight Camera, Color Night Vision, IK10, IP67, Smart Detection $319.98

Sponsored
$31998
current price $319.98From $159.99
(2 pack) Reolink Duo 2V PoE 4K 8MP Dual-Lens 180° Outdoor Spotlight Camera, Color Night Vision, IK10, IP67, Smart Detection
104.2 out of 5 Stars. 10 reviews
REOLINK Smart Person/Vehicle Detection 4K 8 Channels 8MP CCTV Surveillance Camera From $639.99

Sponsored
From$63999
REOLINK Smart Person/Vehicle Detection 4K 8 Channels 8MP CCTV Surveillance Camera
153.9 out of 5 Stars. 15 reviews
Deal Wyze Wireless Duo Cam Video Doorbell, 2K Full HD Video, Wireless, Battery Powered, Chime Included, 2 Cameras $99.98 Was $119.98

Sponsored
Now$9998
current price Now $99.98, Was $119.98$119.98
Wyze Wireless Duo Cam Video Doorbell, 2K Full HD Video, Wireless, Battery Powered, Chime Included, 2 Cameras
534.5 out of 5 Stars. 53 reviews
Reolink 4K Security PoE Camera System,8pcs 8MP Dome Cam Smart Detection, 800D8 16CH NVR 4TB HDD 24-7 Record From $639.99

Sponsored
From$63999
Reolink 4K Security PoE Camera System,8pcs 8MP Dome Cam Smart Detection, 800D8 16CH NVR 4TB HDD 24-7 Record
113.8 out of 5 Stars. 11 reviews
Reolink Duo 3 PoE 16MP Dual-Lens Security Camera 180° Panoramic View, Motion Track with RLN8-410 NVR $885.49

Sponsored
$88549
current price $885.49Reolink Duo 3 PoE 16MP Dual-Lens Security Camera 180° Panoramic View, Motion Track with RLN8-410 NVR
Reduced price Reolink Duo 3 PoE 16MP Dual-Lens Security Camera 180° Panoramic View,Motion Track with RLN16-410 NVR $1,287.99

Sponsored
$1,28799
current price $1,287.99Reolink Duo 3 PoE 16MP Dual-Lens Security Camera 180° Panoramic View,Motion Track with RLN16-410 NVR
Other options to consider(66)
AudioControl DM-810 8 by 10 Channel Matrix Digital Signal Processor $649.99 Was $829.00

Now$64999
current price Now $649.99, Was $829.00$829.00
AudioControl DM-810 8 by 10 Channel Matrix Digital Signal Processor
24 out of 5 Stars. 2 reviews
Digital Sound Level Noise Meter Measurement 30-130DB DB Decibel Detector Audio Tester Metro Diagnostic Tool $11.99 Was $16.35

Now$1199
current price Now $11.99, Was $16.35$16.35
Digital Sound Level Noise Meter Measurement 30-130DB DB Decibel Detector Audio Tester Metro Diagnostic Tool
44 out of 5 Stars. 4 reviews
SPL-LAB NEXT-LAB SPL SENSOR SPL meter $199.99

$19999
current price $199.99SPL-LAB NEXT-LAB SPL SENSOR SPL meter
Atlas AZM8 Atmospher 8-Zone Audio Processor

Atlas AZM8 Atmospher 8-Zone Audio Processor
GJX 2026 New Universal Sound Level Meter,Portable Digital Decibel Meter Audio Noise Measurement 30-130Dba,Decibel Monitoring Tester,Sound Decibel Meter Reader $21.34

$2134
current price $21.34GJX 2026 New Universal Sound Level Meter,Portable Digital Decibel Meter Audio Noise Measurement 30-130Dba,Decibel Monitoring Tester,Sound Decibel Meter Reader
LCD Mini Digital Backlight Folding Mouthpiece Alcohol Breathalyzer Meter Analyzer Detector $26.99

$2699
current price $26.99LCD Mini Digital Backlight Folding Mouthpiece Alcohol Breathalyzer Meter Analyzer Detector
12 Channels Digital Sound Processors DSP 8 Channels 50 Watts RMS Power Amplifier With Player ,Compact Circuitry $616.79

$61679
current price $616.7912 Channels Digital Sound Processors DSP 8 Channels 50 Watts RMS Power Amplifier With Player ,Compact Circuitry
M Buder Digital Decibel Meter, 30-130dB Sound Level Reader Audio Measurement Device Noise Tester with LCD Screen Portable (6.42 inches / 16.3 cm) $18.60

$1860
current price $18.60M Buder Digital Decibel Meter, 30-130dB Sound Level Reader Audio Measurement Device Noise Tester with LCD Screen Portable (6.42 inches / 16.3 cm)
Tomshine Portable Handheld Wand Wireless Scanner A4 Size 900DPI JPGPDF Formate LCD Display with Protecting Bag and 8GB TF for Business Document Reciepts Books Images From $53.81
From$5381
Tomshine Portable Handheld Wand Wireless Scanner A4 Size 900DPI JPGPDF Formate LCD Display with Protecting Bag and 8GB TF for Business Document Reciepts Books Images
NFTIGB GM1351 Digital Sound Level Meter 30-130dB Portable Noise Decibel Monitor with Backlight LCD Screen (5.9x2.1x1.3 inches / 149x53x34mm) $22.24

$2224
current price $22.24NFTIGB GM1351 Digital Sound Level Meter 30-130dB Portable Noise Decibel Monitor with Backlight LCD Screen (5.9x2.1x1.3 inches / 149x53x34mm)
Pristin Scanner,Portable Handheld Wand A4 Size 900DPI Business Document Books Screen Type-C Business Scanner A4 Size Wand Wireless Scanner Size 900DPI LCD WYAN HUIOP Document Scanner

Pristin Scanner,Portable Handheld Wand A4 Size 900DPI Business Document Books Screen Type-C Business Scanner A4 Size Wand Wireless Scanner Size 900DPI LCD WYAN HUIOP Document Scanner
15 out of 5 Stars. 1 reviews
NFTIGB Digital Sound Level Meter S8607 Portable SPL Decibel Audio Noise Measurement Device with LCD Backlit Display 30-130dB Range for Home Factory Office Indoor Outdoor Use $18.56

$1856
current price $18.56NFTIGB Digital Sound Level Meter S8607 Portable SPL Decibel Audio Noise Measurement Device with LCD Backlit Display 30-130dB Range for Home Factory Office Indoor Outdoor Use
Scanner,Business Document Books With Business Document Handheld Wand Scanner A4 Size 900dpi Lcd Display With Screen Type-c With Scanner A4 Lcd Screen Type-c Portable Handheld Wand Pictures

Scanner,Business Document Books With Business Document Handheld Wand Scanner A4 Size 900dpi Lcd Display With Screen Type-c With Scanner A4 Lcd Screen Type-c Portable Handheld Wand Pictures
Rupoun FY8837 Digital Decibel Meter with A/C Weighted, Portable Sound Level Meter 30-130 dB, High-Precision Noise Tester with LCD Color Display, Household Noise Measuring Instrument

Rupoun FY8837 Digital Decibel Meter with A/C Weighted, Portable Sound Level Meter 30-130 dB, High-Precision Noise Tester with LCD Color Display, Household Noise Measuring Instrument
mini file scanner Portable Handheld Wand Wireless Scanner A4 Size 900DPI JPG/PDF LCD Screen Type-C Interface with Protecting Bag for Business Document Receipts Books Images $52.86

$5286
current price $52.86mini file scanner Portable Handheld Wand Wireless Scanner A4 Size 900DPI JPG/PDF LCD Screen Type-C Interface with Protecting Bag for Business Document Receipts Books Images
M Buder High Precision Digital Sound Level Meter with A Weighting Backlight Screen, Portable Noise Decibel Tester for Home, Factory & Construction Site, Easy Environmental Audio Measurement Tool $17.97

$1797
current price $17.97M Buder High Precision Digital Sound Level Meter with A Weighting Backlight Screen, Portable Noise Decibel Tester for Home, Factory & Construction Site, Easy Environmental Audio Measurement Tool
TN90A Pointer VU Meter High-Precision Digital Power Meter Level Indicator Audio Spectrum for Speaker Amplifier $17.12

$1712
current price $17.12TN90A Pointer VU Meter High-Precision Digital Power Meter Level Indicator Audio Spectrum for Speaker Amplifier
DT-85A mini Sound Level Meter Range 40db-130db Noise Tester DB Test $61.98

$6198
current price $61.98DT-85A mini Sound Level Meter Range 40db-130db Noise Tester DB Test
Scanner,Huiop Document Scanner Handheld Wand Scanner Business Document Books Tf Business Document Scanner A4 Size Lcd Display With Size 900dpi Lcd With And Tf Display With And Fesjoy Red $54.11

$5411
current price $54.11Scanner,Huiop Document Scanner Handheld Wand Scanner Business Document Books Tf Business Document Scanner A4 Size Lcd Display With Size 900dpi Lcd With And Tf Display With And Fesjoy Red
Clearance Tibvox Lightweight Digital Noise Level Decibel Tester Wide Measurement Ranges 35~135dBA $30.89 Was $34.51

Now$3089
current price Now $30.89, Was $34.51$34.51
Tibvox Lightweight Digital Noise Level Decibel Tester Wide Measurement Ranges 35~135dBA
High-precision Decibel Meter, Sound Level Meter, Noise Test, Disturbance Noise Detector, Computer Synchronization ,Accurate Measurement $78.02

$7802
current price $78.02High-precision Decibel Meter, Sound Level Meter, Noise Test, Disturbance Noise Detector, Computer Synchronization ,Accurate Measurement
SW-523/524 Digital Decibel Meter,Decibel Meter,30-130dBA 1.5 DB Accuracy Sound Level Meter Tester,Noise Detector From $57.41
From$5741
SW-523/524 Digital Decibel Meter,Decibel Meter,30-130dBA 1.5 DB Accuracy Sound Level Meter Tester,Noise Detector
Optical Fiber Signal Identification Instrument Optical Cable Direction Optical Power Frequency Three-in-one Detector ,Accurate $165.87

$16587
current price $165.87Optical Fiber Signal Identification Instrument Optical Cable Direction Optical Power Frequency Three-in-one Detector ,Accurate
SW-523/524 Decibel Sound Level Meter, Digital Noise Description Meter, 30-130dBA 1.5 DB Accuracy Sound Level Meter Tester

SW-523/524 Decibel Sound Level Meter, Digital Noise Description Meter, 30-130dBA 1.5 DB Accuracy Sound Level Meter Tester
Tomshine Scanner Portable Handheld Wand Wireless Scanner A4 Size 900DPI JPG/PDF Formate LCD Display with Protecting Bag and 8GB TF Card for Business Document Reciepts Books Images

Tomshine Scanner Portable Handheld Wand Wireless Scanner A4 Size 900DPI JPG/PDF Formate LCD Display with Protecting Bag and 8GB TF Card for Business Document Reciepts Books Images
SW-523/524 Decibel Sound Level Meter, Digital Noise Description Meter, 30-130dBA 1.5 DB Accuracy Sound Level Meter Tester

SW-523/524 Decibel Sound Level Meter, Digital Noise Description Meter, 30-130dBA 1.5 DB Accuracy Sound Level Meter Tester
document scanner Portable Handheld Wand Wireless Scanner A4 Size 900DPI JPG/PDF LCD Screen Type-C Interface with Protecting Bag for Business Document Receipts Books Images $52.84

$5284
current price $52.84document scanner Portable Handheld Wand Wireless Scanner A4 Size 900DPI JPG/PDF LCD Screen Type-C Interface with Protecting Bag for Business Document Receipts Books Images
YAHHU SL720 Digital Sound Level Meter 30-130dB High Accuracy Noise Tester for Home Office Factory Mini Decibel Detector with LCD Display for Audio Volume Measurement $33.18

$3318
current price $33.18YAHHU SL720 Digital Sound Level Meter 30-130dB High Accuracy Noise Tester for Home Office Factory Mini Decibel Detector with LCD Display for Audio Volume Measurement
Elowen document scanner Portable Portable Handheld Wand Wireless Scanner A4 Size 900DPI JPG/PDF LCD Display with Protecting Bag and 8GB TF Card for Business Document Reciepts Books Images $55.89

$5589
current price $55.89Elowen document scanner Portable Portable Handheld Wand Wireless Scanner A4 Size 900DPI JPG/PDF LCD Display with Protecting Bag and 8GB TF Card for Business Document Reciepts Books Images
NFTIGB HT-80A Digital Sound Level Tester LCD Display Noise Meter 30-130dB for Factory Home Office $33.93

$3393
current price $33.93NFTIGB HT-80A Digital Sound Level Tester LCD Display Noise Meter 30-130dB for Factory Home Office
2X TN90A Pointer VU Meter High-Precision Digital Power Level Indicator Audio Spectrum for Speaker Amplifier $27.46

$2746
current price $27.462X TN90A Pointer VU Meter High-Precision Digital Power Level Indicator Audio Spectrum for Speaker Amplifier
BIMZUC HT-80A LCD Display Noise Tester Sound Level Monitoring Tester Meter 30-130dB

BIMZUC HT-80A LCD Display Noise Tester Sound Level Monitoring Tester Meter 30-130dB
A4 Scaner Portable Mini Document Scanner, JPG/PDF Format Document Image Iscan Handheld Scanner, A4 Book Text Scanner LCD Display ,Highly Compatible Was $77.67

A4 Scaner Portable Mini Document Scanner, JPG/PDF Format Document Image Iscan Handheld Scanner, A4 Book Text Scanner LCD Display ,Highly Compatible
BIMZUC Handheld Digital Decibel Meter 30 to 130 dB Audio Sound Level Noise Detector with Backlit LCD Screen and High Accuracy Electret Microphone for Studio and Live Music Monitoring (10x16x6 inches) $28.24

$2824
current price $28.24BIMZUC Handheld Digital Decibel Meter 30 to 130 dB Audio Sound Level Noise Detector with Backlit LCD Screen and High Accuracy Electret Microphone for Studio and Live Music Monitoring (10x16x6 inches)
Optical Fiber Identifier Optical Cable Fiber Orientation Identification Power Detector Signal Direction Tester $173.42

$17342
current price $173.42Optical Fiber Identifier Optical Cable Fiber Orientation Identification Power Detector Signal Direction Tester
Riousery HT-80A Digital Sound Level Meter Noise Tester 30-130dB Audio Volume Monitor for Factories Offices Homes Schools and Construction Sites (20x7x4 inches / 50.8x17.78x10.16 cm) $29.93

$2993
current price $29.93Riousery HT-80A Digital Sound Level Meter Noise Tester 30-130dB Audio Volume Monitor for Factories Offices Homes Schools and Construction Sites (20x7x4 inches / 50.8x17.78x10.16 cm)
5INCH CCTV Tester IPC-5000 5100 5200 Plus Full 8MP IP CVI TVI AHD SDI Analog 6 IN 1 VGA & 4K Input Cable Tracer ,Full Features Tester

5INCH CCTV Tester IPC-5000 5100 5200 Plus Full 8MP IP CVI TVI AHD SDI Analog 6 IN 1 VGA & 4K Input Cable Tracer ,Full Features Tester
Scanner,With Business Document A4 Size 900dpi Scanner A4 Size Lcd Screen Type-c Portable Handheld Wand Size 900dpi Lcd Document Books Lcd Display With Screen Type-c With Wand Wirel Scanner From $47.11
From$4711
Scanner,With Business Document A4 Size 900dpi Scanner A4 Size Lcd Screen Type-c Portable Handheld Wand Size 900dpi Lcd Document Books Lcd Display With Screen Type-c With Wand Wirel Scanner
Portable Handheld Wand Wireless Scanner A4 Size 900DPI JPG/PDF Formate LCD Display with Protecting Bag and 8GB TF Card for Business Document Reciepts Books Images

Portable Handheld Wand Wireless Scanner A4 Size 900DPI JPG/PDF Formate LCD Display with Protecting Bag and 8GB TF Card for Business Document Reciepts Books Images
Quest H6 Wireless Over the Ear Wire-free & Rechargable Headphones $95.35

$9535
current price $95.35Quest H6 Wireless Over the Ear Wire-free & Rechargable Headphones
22.5 out of 5 Stars. 2 reviews
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