Campanello senza fili impermeabile CACAZI A10, 0~110 dB, portata 300 m, luce notturna a LED, campanello per la casa, spina USA/UE o batterie (A10AC/A10DC)

Notice: The difference between A10AC wireless doorbell and A10DC wireless doorbell 1: A10DC is battery powered, receiver uses 3 AA batteries, transmitter USE a 23A12V alkaline battery.(There is no battery in the purchased doorbell, please purchase separately) 2: A10AC powers the socket, Receiver voltage: 110-220-240V, have US/EU/UK/AU Plug can to choose, transmitter USE a 23A12V alkaline battery.(There is no battery in the purchased doorbell, please purchase separately) Features and specifications: 1.The button supports up to 20PCS, and the receiver supports up to 100pcs. 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 re-adjust and lock the ringtone. 4. The transmitter has no screw chuck design, and it can be waterproof and dustproof without rubber ring. 5.The transmitter USE a 23A12V alkaline battery (not included battery). 6. Receiver voltage: 110-220-240V (A10AC) / 3 AA batteries(A10DC)(not included battery) 7.The receiver is available in a variety of plugs, US/EU/UK Plug and AU adapters (A10AC)/ 3 AA batteries (A10DC), suitable for most countries. 8.Receiving distance:300 meters in open area. 9.The wireless signal will be affected by obstacles. The more obstacles, the more serious the signal loss. 10.Receiver has 5 levels(can be mute) 0-110db,60 music(A10 AC)/ 36 music (A10 DC)to choose from. 11.Size:Transmitter 75x51x20mm,Receiver 95x65x24mm. NOTE:The button cannot be placed on an iron door because it will interfere with the signal. How to pair signals? 1.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. How to solve if the work is not normal,When receiving the goods? 1. Try pairing signals first. 2. Please contact us, we will send a video to help you. 3. If there is a problem with the product, we will re-send the receiver or button to you.