Long Range: Sufficient radio range (280m/1000ft in 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 good time. never miss a visitor! Waterproof and weatherproof: With IP44 waterproof technology and an operating temperature between -30°C and 70°C, the wireless doorbell is also suitable for outdoor use. This works perfectly, for example in rain, snow or subzero temperatures. Easy Installation: Simply plug the receiver into an outlet and install the push button to 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. adjustable volume from 25db to 85db can be adjusted in 4 levels. Wireless front door bell: 1 receiver and 1 transmitter, no batteries needed and no annoying cables.