Smart Home Security Wireless Doorbell Battery-free

2020 Wireless Doorbell Self-generating Doorbell High Quality Home Waterproof Call Bell 1 Receiver Ring Bell

Features:High quality ABS + PC flame retardant high temperature material
Practical, durable, easy to install
Waterproof function
38 music to choose from, the volume adjustable size (0bd - 80db)
Product simple design, lightweight and compact, easy to install
38 music options, good sound quality, sensitive and easy to use, easy to install
Applicable to home, office buildings, hotels, dormitories, factories and so on
Specifications:
Product Name: Wireless Doorbell
Plug: EU,UK,US
Specifications: one for one (1 transmitter + 1 receiver)
Waterproof grade: IP44
Operating temperature: -30 ° C to + 70 ° C
Working frequency: 433 92MHz + 75KHz
Receiver voltage: 100- 240V / 50-60Hz 
Transmitter battery: 12V23A mercury-free environmental protection battery (with certification)
Product certification: FCC, CE, ROSH, appearance patent, PSE,TELEC
Ringtones: 38 selectable
Volume: 0-85 dB, 5 levels adjustable

Highlights:1. 150 meters long distance, adjustable tone can change music, prevent string noise is not wrong, simple installation.
2. Indicator, receiver, volume key, selection key, launcher button.
3. Distance barrier-free 150 meters penetration, strong penetration performance, receiving distance to the Air-to-          ground linear distance can reach 150 meters
4. Easy to install: press the button, ring the bell in the room, the receiver installed in the room can be plugged in,     receiver intelligent flash, the bell lights.
Packing list:1x receiver, 1x transmitter, 1x double-sided tape,1x English manual
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