Wireless Digital Doorbell 38 Melodies 7 Lights 300m Range

Wireless Digital Doorbell 38 Melodies 7 Lights 300m Range Description

Home Wireless Doorbell AC Digital Music Doorbell One Tow Pager Remote Control Doorphone Features: 38 chord ringtones with 7-color light : choose a unique ringtone, the sounds good with 7-color light, not losing a piece of home art. Open space 300 meters : wall transmission distance 20-50 meters, strong penetration open space without interference up to 300 meters. Press the button to to remind: press the button to the encrypted signal to to receive the signal to sound to remind without any network. Easy to install: the key can be directly affixed to the distribution of strong double-sided stickers, without wiring; indoor ringing host directly in, installation-, maintenance-. 8-Step volume: up to 100dB, three rooms and one hall, no dead space, the elderly and children can hear. Combination: transmitter and receiver support flexible pair, can be arbitrarily paired - a transmitter + multiple receivers / multiple transmitters + a receiver. Product Description: Power consumption 0.5 (W) Power supply plug-in Includes: 1x button 1x ringer 1x double sided tape 1x manual Button Power supply: 12V23A alkaline batteries Transmitter power consumption: Battery life: 20 times a day estimate, about 1-2 years Wireless Distance:300 meters in open space, 20-50 meters indoors including obstacles Operating Temperature:-20-60C Transmission Frequency:433.92MHZ Ringing Power supply:AC100-240V50HZ/60HZ Volume adjustment: 8 of volume adjustment Music Adjustment:38 chord music Volume range: 25-85dB ( meter 0.5 Meters test) Working environment: Humidity Operating Temperature:-10-60C Receiving frequency:433.92MHZ