Power:Electric Supply
Connection Type:Wireless
Item Type:Wireless Doorbell
Origin:Mainland China
Certification:CE
Smart home platform:Other
Working voltage::AC100V-230V 50/60Hz
Operating frequency::433.92MHz
Standby power consumption::0.25W
Controllable volume::≥ 50dB/1m
Receiving distance::≥ 150m (no obstacle in the open area)
Receiver operating temperature::-10 ° C - 45 ° C
Working temperature of transmitter::-20 ° C- 60 °
Feature:Self generating wireless doorbell without battery and wiring
Receiver size:78 x 54 x 45mm

Specifications:
1.
Self generating wireless doorbell without battery and wiring
2.
Press your finger to generate electricity, without battery for life
When you press your finger, the kinetic energy will be converted into electric energy, and the wireless signal will be transmitted instantly, so you don't have to worry about changing the battery for the doorbell.
3.
Strong penetration and long distance
The 433.92 frequency wireless signal is adopted, which can penetrate 3-4 gates with super penetration, and the reception distance in open areas can reach 150 meters
4.
Free code matching and rejection of serial ringing
Even if a neighbor buys the same doorbell, it will not ring in series. Learning code technology is used. You don't need to worry about stringing lines with the next door. You can also match them according to your own needs to meet home use
5.
High volume without leakage, and the third gear is optional
No matter balcony, kitchen or horizontal, it can be heard, which is convenient for family to use; 3 level volume control, can also be muted, and the sound level can be determined at will
Package Included:
1 * doorbell, 1 * doorbell button