Wireless Waterproof Doorbell with 300M Range & LED Night Light – Intelligent Home Call Bell, UK Plug, 1 Button + 1 Receiver

Features and specifications: 1. The button can support up to 20pcs, and the receiver can support up to 100pcs. 2. Shutdown memory function: After shutting down and restarting, there is no need to readjust or lock the ringtone. 3. The transmitter has a screw free chuck design, which can be waterproof and dustproof without the need for rubber rings. 4. The transmitter uses 23A12V alkaline batteries (batteries not included, need to be purchased separately). 5. The receiver is powered by batteries, making it very convenient to use. 6. Receiving distance: 300 meters in open space. 7. Wireless signals may be affected by obstacles. The more obstacles there are, the more severe the signal loss becomes. 8. The receiver has 5 levels (can be muted) ranging from 0-110db, with 36 music tracks to choose from. 9. Dimensions: transmitter 75 * 51 * 20mm, receiver 95 * 65 * 24mm. Attention: The button should not be placed on the iron door as it can 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, and then immediately press the button to successfully pair the signals. How to modify and lock music? Before inserting into the power outlet, press and hold the volume button on the receiver. Insert the power socket until the receiver's light comes on, release the volume button, press the music button to adjust to your favorite music ringtone, press and hold the volume button again until the light comes on, immediately press the transmitter twice, and the music is successfully locked.