Long Range: Sufficient radio range (280m/1000ft in the open area) is perfect for your home, the signal can penetrate obstacles very well. Whether you are cooking in the kitchen or weeding in the garden, this wireless radio doorbell will inform you in time. never miss a visitor! Waterproof and Weatherproof: Thanks to IP44 waterproof technology and an operating temperature of -30°C to 70°C, the wireless doorbell is also suitable for outdoor use. It works perfectly, for example in rain, snow or sub-zero temperatures. Easy Installation: Simply plug the receiver into a socket and install the push button on the wall or door frame using the supplied adhesive tape or screws. The blue LED flashes when someone visits. Different tones and volume: You can choose from 36 different ringtones, from classic to well-known melodies. The adjustable volume from 25db to 85db can be set in 4 levels. Wireless front door bell: 1 receiver and 1 transmitter, no batteries required and no annoying cables. This