Wireless Waterproof Touch Button Doorbell

• 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