CACAZI Wireless Doorbell Self-powered No batteries Waterproof 120M Remote LED Light Home Cordless Door Bells 38 Chimes White |

Features and specifications   1.Press the button, super learning code can freely learn to match, can be unlimited matching receiver.   2.Instead of using a battery, the button converts kinetic energy into electrical energy and sends a signal when pressed.   3.Button can work normally in snow or high temperature environment, waterproof and dustproof.   4.The receiver is a distance of 120 meters (in an open area), which may be affected by the environment and obstacles.   5.The receiver has 38ringtones to choose from, and the volume is 20-80db in 3levels.   6.Just plug the receiver into an electrical outlet,the push button transmitter can be stick it to the door with provided adhesive tapes.   7.The receivers has US, EU, UK Plug and AU adapter,suitable for most countries. 8.Button size:77*45*25mm 9.Receiver size:99*65*24mm Note: The button cannot be placed on an iron door because it will interfere with the signal.   If you receive the doorbell, the receiver will not ring after pressing the transmitter, don't worry, just re-pair them to work properly. Pairing method: Insert the receiver into the power supply, press the volume button for about 4 seconds, press the transmitter once, then the pairing is successful.   ​ How to pair signals?   Pairing method: press and hold the volume button on the receiver for about 5 seconds (the light is on), release the volume button, then press the button immediately, the signal is successfully paired.   How to modify and lock music?   Press and hold the volume button of the receiver before plugging in the power socket. Plug in the power socket until the light of the receiver lights up, release the volume button, press the music button to adjust to the favorite music ringtone, press and hold the volume button again until When the light is on, press the transmitter twice immediately and the music is locked successfully.