RoyalStyle® FORECUM 4 Waterproof Wireless Smart Doorbell Single Receiver DC DoorBell(Yellow&White)

Overview:
Receiver:
Voltage: DC, 4.5V(3xAAA batteries,not included), current:≤80mA
Power: ≤2W
Working frequency: 315MHZ
Volume: 25-80dB
Receiving distance: ≧100m(Open field)
Transmitter:
Voltage: 12V(battery:23A 12V, included), current:≤15mA(If 20 times one day, the battery can last 1 year)
Working frequency: 315MHZ
LED indicator: Press the launch button,LED indicator light will flash,the transmitter begin working. Meanwhile, the receiver receive the signal and beautiful music produced, remind you with a VIP visit.The blue-ray LED of the receiver will regular flash along with the music.
Temperature: -10℃~50℃.
Waterproof: Yes, the doorbell can be installed outside the gate.
Wireless battery operated doorbell system for easy portability - Both the Transmitter and Receiver are battery operated.
Dimensions:
Receiver: 10 x 6 x 2.7cm
Transmitter: 8.1 x 4.5 x 2.3cm