28 Chimes 3 Volume 50M Wireless Doorbell Door BellWaterproof Dustproof LED Dingdong

Features Easy to Set Up 1 transmitters included can add more receivers for increased coverage simply fix the transmitter on the wall without any wiring includes 1 screw 1 anchors 1 key and 1 double sided adhesive pads50M Wireless Range 1 receivers included will not interfere with other equipment in your home or those of your neighbors ensures that you will never miss any visitors even if you are several rooms awayTailor Your Transmitter 40 mm stereo speaker delivers rich and crisp sound 28 melodies and 3 adjustable volume levels with a maximum setting of 110 dB set a different ring tone for each transmitter so that you know exactly which doorbell has been rungHigh Performance The transmitter has ultra low power consumption uses 12v 23a battery IP68 dustproof and waterproof rating works between 10 C to 55 C withstands various harsh weather conditionsMemory Function Remembers your last melody and volume level after a power outage no need to reset to your previous settings convenient and easy to use design for an enhanced user experience Specification Power consumption 0 1WPower Supply Receiver AC 110 220V Transmission distance 164ft 50m maximum effective rangeWaterproop IP68 weatherproofdustproofWorking temperature 10C to 55C Receiver 20C to 65C Transmitter Volume 25 110dBWorking frequency 433 92MHz 200KHzSize 7 5 x 4 5 x 2cm Transmitter 9 x 5 8cm Receiver Package included 1 x Transmitter1 x Receiver1 x Adhesive patch1 x User ManualDet