- Item Type: Smart Doorbell
- Working Voltage: AC 100-240V
- Working Current: < 100 mA
- Wireless Frequency: 433 MHz
- Working Temperature: -10-50 Degree Centigrade
- Wireless Distance: 150 meters (Open Area)
- Frequency: 433Mhz
- Operation Current: 8~15mA
- Quiescent Current: 3uA
- Operation Temp:-10C~50C; Humidity: No more than 90%
- Battery: 23A 12V (Battery not include)
- Transmit Distance:< 80 M
- Size: 74 x 46 x 12 mm / 29.13 x 18.11 x 4.72 inch
Package Includes:
- 1 x Doorbell
