Quick Details
- Type: Doorbells
Specifications
Voltage of Plug-In Smart Receiver: AC 110V ~ AC 220V 50Hz/60Hz
Battery in Transmitter: 12V 23A Alkaline Battery
Power Consumption (Transmitter): < 10mW
Wireless Range: 900 ft in Open Air; 100~500 ft w/ Metal Security doors and Walls
Selectable Ring Tone: 52 Options
Volume Range: 4 Levels (up to 110 dB)
Expandable to Multiple Smart Receiver or Transmitter: Up to 50
Working Frequency: 433.92 MHz±280KHz
Working Temperature: -30℃~70℃
Plug type:AU,US,EU,UK optional