Features:
*Self-powered doorbell with full-digital frequency modulation technology,no string code.
*With the strong points:ultra low power design,power saving,ultra long distance remote control, stable signal and strong penetration.
*The indoor receiver is equipped with 28 chord tones and 4 levels of volumes for your choice.
*Outdoor transmitter does not need batteries.No batteries!!built-in energy power generation module for transmitter,so you will never worry about battery replacement and power running out.
*Simple appearance design and elegant, unique style,which will make your house more fashionable.
Specifications:
Receiver Voltage:AC110V-240V
Transmitter:No battery required
Operating frequency:433.92MHz±200KHz
Volume:25-110dB(4-step volume adjustable)
Ringtones:28 options
Transmission range:20-50m(depending on the environment)
Power consumption:0.1W
Color:Black
Material:ABS
Quantity:2*Receiver&1*Transmitter
Receiver operating temperature:-10℃~55℃
Transmitter operating temperature:-20℃~65℃
Transmitter size:7.5*4.5*2cm
Receiver size:9.2*6*3cm
Package Information:
Package Size: Approach.14*11*8cm/5.51*4.33*3.15in
Package Weight: Approach.250g/8.82oz
Package List:
2*EU Receiver
1*Transmitter
1* Tape
1*User Manual(English)