Nineleaf 3Pack Wireless Motion Sensor Door Chime, Business Entry Doorbell Indoor, Motion Detector Buzzer, Motion Sensor Alarm (500Ft Range, 32 Tunes, 4 Volume Levels)

Functions
- Welcome the guest/customer/visitor in day time, anti-thief in the night, prevent the loss of dementia patients,welcome /doorbell /alarm / color light etc five reminder, the secret assistant of the boss!
- Remote transmission, 280m(918 feet) in open place, suitable for more places!
- 8 chord music chip, 40mm big horn, more pleasant, more loudly!
- User-Friendly,4 levels volume adjustment (Loud/High/Middle/Low ) from 113-25dB
- Colorful LED lights, brightness can adjust, can use different colors to distinguish different entrance, more intelligent!
- Independent alarm horn,maximum 113dB, can effectively deter thieves!
- Volume can adjust, have memory function when change the battery, more considerate and more comfortable!
- Can maximum learning 32 infrared, vibration, magnetic etc wireless sensor accessories and 8 remote controllers.
- Applicable to all kinds of shops, upscale clubs, hotels, offices, factories, homes, banks, store,garage, supermarket, boutique,villas, mail box and so on place!
- MEMORY FUNCTION:Remember your last set melody and volume level after power off,then don't need to reset to your previous settings again.

Description
Power Supply (Receiver): Micro USB or AAA alkaline battery x 3 (not included)
Power Supply (Magnetic Transmitter): Micro USB or AAA alkaline battery x 1 ( included)
Battery lifespan: 5-7 months (based on 30 minutes per day)
Operating range: 280m/918ft
Ring Volume: ¡Ü113dB
Working frequency: 433.92MHz
Magnetic Transmitter: Low battery indication

Package List
1 x Magnetic Transmitter
1 x Door Alarm Receiver
1 x Instruction Manual
1 x Desktop base
1 x Infrared Curtain Transmitter
1 x Bag of Mounting Screws
2 x Double Tapes

PS: The receiver host can max learing 32 infrade curtain to detect different entrance with its color light to distinguish the entrances!