High quality ABS material, green environmental protection. Wireless installation, easy and convenient. 
Wireless smart doorbell system of 2 receivers and 1 transmitter. 
Creative, waterproof design, preventing rainwater infiltration which can prolong service life. 
36 chords included: pick one your favorite chime, and you can adjust the volume by pressing the key on the receiver. 
Loud enough to hear at any of the 2 levels of volume. 
Range up to 120 meters in the open air, suitable for home and high-rise buildings. 
Fashionable light-operated blue LED light, intelligent and energy-efficient. 
Suitable for commercial residential area, office, restaurant, club, etc. 
Color: White + Blue 
Material: ABS 
Receiver: 
Plug: US Plug 
Voltage: AC 220-250V 
Current: 100mA 
Work frequency: 315MHz 
Volume: 75-110dB 
Receiving Distance: 120m 
Music: 36 Chords for Option 
Transmitter: 
Voltage: 12V(Battery: 23A 12V, Not included) 
LED Indicator: Blue Light 
Temperature: -10?~50? 
Waterproof: Yes 
Product Dimensions: 
Receiver:(1pc) 115 * 75mm / 4.53 * 2.95in (L * W) 
Transmitter: 75 * 40mm / 2.95 * 1.57in (L * W) 
Product Weight: 
Receiver: (2pcs) 175g / 6.18oz 
Transmitter: 28g / 1oz 
Package List: 
1 * doorbell 
2 * Receivers 
1 * Adhesive Tapes 
2 * Screws 
Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. 
High quality ABS material, green environmental protection. Wireless installation, easy and convenient. 
Wireless smart doorbell system of 2 receivers and 1 transmitter. 
Creative, waterproof design, preventing rainwater infiltration which can prolong service life. 
36 chords included: pick one your favorite chime, and you can adjust the volume by pressing the key on the receiver. 
Loud enough to hear at any of the 2 levels of volume.