Wireless RF433 Self powered Doorbell WA-DB09

Model Number: WA-DB09

Material：ABS+PC

Power Source： Plug

Operating voltage：AC 100V-240V 50/60Hz
Power consumption：0.25W
Wireless frequency：433 MHz
Ringtone volume：≥50dB/1m
Volume：Three leverls of volume
Music：38 Melodies
Wireless distance：200 meters(open space)
Receiver size：L85×W52×H27.7mm
Transmitter size：L79.36×W41.6×H17.08mm
Features：waterproof, wireless, Self-Power no battery required

Application：Indoor, outdoor, smart home