Campainha sem fio à prova d'água com alcance de 300 m, plugue EUA, UE e Reino Unido, porta inteligente residencial, 60 campainhas, 0-110 dB, anel sem fio

Features and specifications: 1. The button supports up to 20 pieces, and the receiver supports up to 100 pieces 2. If multiple buttons are paired with one or more receivers in the same system, each button can be set to a different ringtone 3.Power-off memory function: Turn the power on again after power off, no need to readjust and lock the ringtone 4.The transmitter has no screw chuck design, and it can be waterproof and dustproof without a rubber ring 5. The transmitter uses a 23A 12V alkaline battery, battery not included 6.Receiver Voltage: 110-220-240V 7. The receiver is available in a variety of plugs, US/EU/UK/AU plugs, suitable for most countries 8. Receiving distance: 300 meters in open area 9. The wireless signal will be affected by obstaclesThe more obstacles, the more severe the signal loss 10. The receiver has 5 levels that can be muted from 0-110dB, with 60 music genres to choose from 11. Size: Transmitter 75x51x20mm, Receiver 95x65x24mm NOTE: The button cannot be placed on an iron door because it will not fit refer with the signal How to pair signals? 1. Pairing method: Press and hold the volume button on the receiver for about 5 seconds until the light turns 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 it into the power socket plug in the power socket until the light of the receiver lights up," release the volume button," press the music buttom to adjust to the favorite music ringtone press and hold the volume buttom agane until When the light is on," press the transmitter twice immediately and the music is locked successfully