Sell Szaoju Self Powered Waterproof Wireless DoorBell Door Bell Night Light No Battery UK Plug Smart Home 1 /2 Button 1 /2 Receiver best price

Technical parameters 1.Operating voltage:AC 100-230V 2.Power consumption:0.25W 3.Wireless frequency:433 MHz 4. Operating temperature:-10°C~+45°C 5.Ringtone volume:≥50dB/1m 6.Wireless distance:150 meters (open space) 7.Receiver size:L95xW54xH68mm 8.Transmitter:no need battery 9.Transmitter size:L80xW50xH28mm Warranty:12 months Transmitter No battery required Press transmitter to generate electricity Only gently press transmitter,will conversion kinetic energy . into electrical energy and the doorbell transmitting wireless signals Strong Signal It can penetrate 3-4 walls and wireless range up to 150 meters in open area,great for large house including villas, apartment, offices,shops,warehouses.etc **The Transmitter cannot be placed on an iron door because it will interfere with the signal. 38 kinds ringtones Four levels of volume IP68 waterproof level Rainy days can also be used, safe and durable Not only a doorbell but also a pager When the elderly, babies, and pregnant women sleeping alone have needs, press the transmitter and the bell will ring 2 installation methods method 1 Adhesive patch mounting Double-sided tape is attached to the back of the transmitter Install the transmitter on the wall or on the door Plug the receiver into the socket and it will Work method 2 Screw mounting Remove the transmitter bottom plate Fix the bottom plate to the wall with screws The transmitter is fixed on the bottom plate Plug the receiver into the socket and it will work How to pair signals （1)The receiver has just pressed the pairing button for 3 seconds within 1 minute of power-on. （2) When the blue light on the receiver is always on. enter the pairing mode. （3)Press the transmitter, the blue light flashes on the receiver,and the pairing is successful. How to Clear the pair code If the receiver is just pressed for 1 minute, press and hold the button on the receiver, until the indicator light is on, then flash 3 times, all the code is cleared. （1). After the receiver is powered on, press and hold the pairing button within 1 minute,until the blue light is always on and flash 3 times, and the clearing is successful.