Eura WDP 82H2 Battery Free Wireless Doorbell, Outdoor Waterproof 100 m Range, 58 Ringtones, 4 Volume Levels

NO BATTERIES REQUIRED The bell button works without batteries on the same principle as a bicycle dynamo. Long range and strong signal: wireless connection range of up to 100 m and does not interfere with other devices in the home. Extra wide range of ringtones: 58 freely selectable melodies and 4 adjustable volumes from 0 to 85 dB. The bell receiver also flashes in blue with each ringing and thus also gives a virtual notification. An excellent function for the hearing impaired. Waterproof and weatherproof: the bell button is IP55 protected and can withstand heavy rain and temperatures from -18°C to 40°C. Easy installation: attach the bell button to the wall or door frame with the included screws or mounting tape and simply plug the bell receiver into an electrical outlet.