Long range and strong signal: up to 300 m range and 58 different signal tones, including many familiar melodies. The signal can penetrate obstacles very well. This radio clock doorbell can be used in apartments, villas, offices, business premises or gardens. Various tones and volume - with selection button on each door to choose your individual favourite shade between 58 different beautiful melodies. In addition, the wireless doorbell has 4 adjustable volume levels to suit your different needs. Signal for noisy environments: In addition to the ringtone, a visual signal will also be displayed. When you press the radio doorbell you can get a visual notification, an excellent function for hearing impaired. Waterproof and weatherproof: Thanks to the weatherproof IP44 technology and thanks to the operating temperature between -30C to 70C, the wireless doorbell is suitable for outdoor use. The radio clock can withstand the toughest weather conditions. Easy installation: Plug the mini doorbell receiver into a wall socket and mount the transmitter to the wall or door frame using the included screws or tape. Whether you are cooking in the kitchen or clearing weeds in the garden, this wireless radio clock will inform you in time. Never miss a visitor!