Newest LED Smart home DoorBell Waterproof 200m work range Mini Wireless Door bell 36 Ring tunes for choose

Features and specifications:1.Pre the on, super learning code can freely learn to match, can be unlimited matching receiver.2.The nsmitter without screw design to achieve waterproof and dustproof.3.The doorbell on usea 23A12V battery (not included) and the receiver voltage is 220v.4.The receiver is a distance of 300 meters (in an open area), which may be affected by the environment and obstacles.5.The receiver has 36ringtones to choose from, and the volume is 20-80db in 4 levels.The receiver is available in a variety of plugs, US/EU/UK Plug and AU adapters, suitable for most countries.6.nsmitter size:80*45*22mm7.Receiver size:90*65*28mm8.Just plug the receiver into an electrical outlet,the push on nsmitter can be sti it to the door with provided adhesive tapes.The doorbell can use in the office, home, hotal, factory, restaurant or anywhere need it.Note:The on cannot be pd on an iron door because it will interfere with the signal.If the receiver does not ring when you pre the on after you receive the doorbell, che the following steps:1. If the on has a battery installed, it requires an alkne battery of 23A12V.2. You can pair the on with the receiver.How to pair signalsPairing method: Pre and hold the music on on the receiver, then keep preing the nsmitter, about 4 seconds, the signal is succefully paired.