US Plug Augreener Wireless Cordless Wireless Control Doorbell Battery-free 25 Chime Digital Doorbell

Description US Plug Augreener Wireless Cordless Wireless Control Door Bell Battery free 25 Chime Digital DoorbellBattery free wireless doorbell requires no battery and no wire It uses the unique energy harvesting technology and ultra low power wireless technology with worldwide patents pending When users press the button energy converting module inside can change the mechanical energy into electric energy Then the wireless module of the button sends signals to receiver The receiver receives the signals and plays music Features No battery No wire Easy installation Maintenance free Never need to change batteries more convenient Waterproof Soak the button in living water for 4 month it can work well Never be afraid of rain and snow or other humid environments Work well at 40 centigrade 60 centigrade Perfect for hot summer or cold winter200 meters in the open area Signals can easily pass through walls doors and floors Note Do not install on an iron door as it will effect the normal use Specification AG 101 NChime Receiver Button Transmitter Power SupplyAC 110 220VSelf poweredOperating Temperature 10 centigrade to 40 centigrade 40 centigrade to 60 centigradeRange Open Field 200m in the ideal environment RF Frequency433MHzSound Level85dBA 3ft 1m Power Consumption200mW Water Proof yesOperating Forces 10NDimension68X86X71mm46X88X32mmWeight75g62gRing Tone25 polyphony ring tones RepeateryesPackage includes 1 x Receiver1 x TransmitterWe will send you a