Wireless Doorbell Waterproof Long-Range LED Flash Multiple Chimes

Expandable System & Waterproof : Add more receivers or transmitters for wider coverage. With an IP44 rating, it's fully equipped to handle any weather.Adjustable Volume & Multiple Chimes : Choose from 45 melodious tunes and adjust the volume to suit your environment, from silent mode to 85dB.Long Range & LED Flash : Reach extends up to 260 meters in open spaces. The LED flash assists in alerting you to visitors, even in low-light conditions.Easy Installation & Distinguish Doors : Effortlessly mount the transmitter with included hardware. Customize chimes for each door to distinguish between front and back entrances.Energy-saving & Robust Design : Operates efficiently across a wide temperature range (-30 to +70°C), offering reliable performance year-round.