Wireless Doorbell Waterproof Remote

60 ringtones to choose from and 5-step volume control (0~110dB)Loud enough to be heard anywhere in your home300 meter receiving distance (In the open area)1.Stable quality is ideal for villas, hotels, schools and other areas.2.The wireless signal will be affected by obstacles. The more obstacles, the more serious the signal loss.3. The button cannot be placed on an iron door because it will interfere with the signal.How to set music1.first press and hold the music button to selectthe music you like,2.then press and hold the volume button on thereceiver for 3 seconds,3. then press the button immediately, the musicselection is successful.How to pair signals1.Pairing method: Hold down the volume key on the receiver for 5 seconds,, immediately press the button, the signal pairing is successfulA variety of plug options, suitable for most countries1. EU PLUG , UK PLUG , US PLUG , AU plu adapter2. AC 110V-220V -240V3. The frequency of 433MHz4. Transmitter size:75X51X20MM5. Receiver size:95X65