SATRINO Doorbell, Product Waterproof Wireless Doorbell Chime Kit with 36 Chimes, Adjustable Volume; 1000feet Operating, with Sound LED Flash Door Bell for Home (1 Receiver x 1 Push Button) Black

Wireless Doorbell Plug and Play Door Bell Kit Adjustable-Volume 200M Doorbell Chime 38 Melodies
Features：
High Quality: Our wireless doorbell is made of ABS, which is and recyclable, the can keep itself against from rain and high temperature.
Radio Operating Range: The doorbell receiver is highly sensitive, 1 transmitter button triggers 1 chime unit and the radio waves is covered all over the house and won’t interfere each other, the range of action is up to 120M in the open area ensures you can hear the bell and answer-the door
38 Different Tunes & 4 Volume-levels: Our wireless doorbell is provided with 36 different ringtones with 4-levels adjust volume from 20db- 80db. Energy Saving & Long Life: Ultra-low power consumption design, Sustainable Use of Energy. The transmitter battery can be used for over 15 months. Our wireless doorbell is very, it can bear over 100 thousand times click.
Installation: No batteries required for the doorbell receivers, and easy to plug receivers into an electrical outlet. Remote transmitter button can be fixed at the doorframe with the attached adhesive tapes or screws, and anchors which are included in the package.
Specification:
Maximum 200M operating range in open area
38 unique ringtones
3 volume-levels
Volume range: to 80dB
Package Includes:
1x Receivers
1x Transmitter