Motion Sensor Doorbell Entry Alert Door Chime for Business Store Office Home DIY Security System, Wireless Alarm Motion Detector Device Welcome Buzzer Monitor Visitor Bell

Welcome Mode: 5 languages of “Welcome”, suitable for shops, stores, restaurants, supermarkets…
Doorbell Mode: Door open chime, 36 selectable chimes tunes for your choice.
Alarm Mode: Up to 113dB alarm, effectively help to deter the intruder, wake or alert you if at home and possibly alert neighbors.
Colorful Light Mode: No sound, 4 colors for your choice, suitable for quiet environments.
Night Light Mode: Can be floodlight, when the magnetic sensor activated, the receiver automatically turn on the light, with 4 adjustable levels brightness.

Specifications:
Material: ABS
Volume: 113 ~ 25dB
Power Supply (Receiver): Micro USB or AAA alkaline battery x 3 (not included)
Power Supply (PIR Transmitter): Micro USB or AA alkaline battery x 3 (not included)
Battery lifespan: 5-7 months (based on 30 minutes per day)
Wireless range: 280m/918ft
Motion detecting range: 2 – 8 m/6.6-26ft
Ring Volume: ≤113dB
Working frequency: 433.92MHz