CACAZI Self Powered Wireless Doorbell Waterproof No Battery Required 60 Chimes 0-110dB Smart Home Door Ring Bell US EU UK Plug

High-concerned chemical：nonePower Source：AC,Self-poweredModel Number：FA78Doorbell Type：WireLessOrigin：Mainland ChinaCertification：CEType：DoorbellsAbout the after-sales service of doorbell1.CACAZI is our own brand, has a large manufacturing plant, we support dropshipping and wholesale!2.We promise one year warranty and replacement, perfect after-sales service, please rest assured to order.3.If you encounter transportation problems, please contact us in advance, we will do our best to solve the problem for you.Self powered transmitterInstead of using a battery, the button converts kinetic energy into electrical energy and sends a signal when pressed;Don't worry if the battery has power, so don't miss important visitors.Power off memory function and anti - interference functionWe use a new digital circuit device,after the power is turned off,remember the music set before,no need to set music again;Neighbors' doorbells don't interfere with our doorbells.Volume and music5 volume levels 0-110db,60 ringtonesRated: AC 110-240V, 50-60Hz150 meters receiving distance1.The receiving distance may be affected by the environment or obstacles2.The button cannot be placed on the iron door, which will shield the signal. We recommend that the button be placed next to the iron door. 3.In addition, the receiver should not be placed near the microwave or the radio, which would interfere with the signal.Multiple buttons and multiple receiversYou can use 6 buttons outside the door at the same time, indoor receivers can use multiple receivers at the same time, a variety of combinations to meet your needs.Receiver parametersRated: AC 110~ 240V ,50-60HzWorking frequency: 433MHzAvailable in a variety of plugs, US/EU/UK Plug and AU adapters, suitable for most countries.Waterproof TransmitterThe Transmitter can work normally in snow or high temperature environment, waterproof and dustproof.Installation and usePlug the receiver into an electrical outlet, and the transmitter can use supplied tape to attach it to the door or screw it to the wall.If you receive the doorbell, can not work properly, how to solve?1.Try pairing the doorbell. How to pair?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 transmitter immediately, the signal is successfully paired.2.If the above methods cannot be solved, please contact us. We have professional technicians to solve your problems.If you want to change the ringtone, or if you want to set different ringtones for different transmitters, how do you set them?Plug the receiver into an electrical outlet,press the receiver's music button to adjust to the favorite music ringtone, press and hold the volume button until When the light is on, press the transmitter twice immediately and the music is locked successfully.