Low power consumption, long standby time(up to six months).
Big and adjustable speaker, clear voice, can be used as mobile interphone.
With double-sided adhesive, easy to install.
Working temperature: -20Celsius~55Celsius
Wireless distance: 300(without obstacle); 50-100m(with obstacle)
Indoor-bell Power Supply: Rechargeable Li-ion battery
Outdoor-bell Power Supply: 4 x 1.5V AAA battery(Not included)
IP Level: N/A
1* USB Cable
1* Screw Driver
2* Double-sided Adhesive
1* User Manual
Only the above package content, other products are not included.
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.