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Outdoor wireless doorbell Waterproof House Chime Kit 300M Remote EU US Intelligent Smart Door Bell Home Garden Remote DoorBell Specifications Transmitter button parameters 1. Working voltage: DC 12V 1. Battery type: 23A 12V 2. Transmitter size: L80×W45×H21mm Receiver parameters 1. Working voltage: AC 100-250V 60Hz/50Hz 2. Power consumption: ≤0.5W 3. Operating frequency: 433.92 MHz 4. Operating temperature: -10 ° C~+45 ° C 5. Volume: 25~85dB (3-level volume adjustable) 6. Receiver size: L95×W54×H68mm Features: Differentially set ringtones: Different buttons set different ringtones, easily distinguish between front and rear doors Built-in 38 welcome music/3-level volume adjustable This doorbell does not need wiring, plug and play, convenient and practical, easy to install The receiver is suitable for direct plug-in, the applicable voltage range is 100-250V 50/60Hz Applicable scenarios: residential, hotel, villa, hospital Function: Learning Code Remote control distance: Indoor distance is about 50 meters (without partition)，Outdoor open space is about 100-300 meters. (This data is the experimental test distance. The actual distance is affected by the applicable environment and obstacles. The more obstacles, the shorter the distance. The actual distance is subject to the experimental environment distance) How to use Packaged products are paired before they leave the factory, and no need to pair again. To replace transmitters or add transmitters, do the following: Pairing method The receiver socket is plugged into a regular household socket. When the power is on, (if different transmitters need to correspond to different ringtones, first press the music button to select the ringtone) and then press the receiver mode button for about 5 seconds until the indicator light flashes. Enter the pairing mode, at this time, press the transmitter, the receiver rings, the pairing is successful. Clear the code Press and hold the receiver pairing button for about 10-13 seconds until the indicator light quickly After blinking, stop blinking, that is, clear all pairing codes.