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're cooking in the kitchen or weeding in the garden, this wireless radio doorbell will keep you informed in good time. never miss a visitor!Waterproof and Weatherproof: Thanks to IP44 waterproof technology and an operating temperature between -30C and 70C, 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 an outlet and mount the push button to the wall or door frame using the included tape or screws. Blue LED flashes when someone visits.Different tones and volume: You can choose from 36 different ringtones, from classic melodies to well-known melodies. adjustable volume from 25db to 85db can be set in 4 levels.Wireless doorbell: 1 receiver and 1 transmitter, no batteries required and no annoying cables. This wireless doorbell can be expanded as needed with additional receivers and transmitters (same model).Product informationChalemain Bell radio front doorWireless doorbell, doorbell wireless for outdoors and indoorsThe radio doorbell has a working range of 300m / 1000ft, ensuring you never miss a visit or delivery.300M wide radio rangeThe range between transmitter and receiver is up to 300 meters! Sufficient radio range allows the Bell radio to be installed anywhere in your home.The wireless doorbell can be extended with additional transmitters and receivers (same model). Bad weather easily survivedIP44 waterproof and dustproof, suitable for indoors and outdoors. The wireless doorbell can be used within the range of -20-65. You don't have to worry about sun, rain, snow or other extreme weather conditions like freezing.36 ringtones and 4 volumes to choose from36 melodies ensure you have a wide choice to set a favorite song as your ringtone.The Bell Radio Gateway has 4 adjustable volume levels (25db-85db) to meet your different demands.LED signalThe wireless doorbell is quite loud and there is LED signal when the bell rings, which is convenient for the hearing impaired.Scope of delivery1x transmitter1x receiver1x 12V A23 alkaline battery for transmitter1x double-sided tape1x small screwdriver1x instruction manualWaterproof radio bellwith 3-year battery life, suitable for indoor use and outdoor Dimension of the radio doorbellTransmitter: 7.8cm x 4.6cm x 2cmReceiver: 8.0cm x 7.5cm x 2.3cmSpecificationsRingtones: 36Waterproof (transmitter): IP44Operating temperature: -22C ~ 65CVolume: adjustable in 4 levels (25db ~ 85db)Input voltage: AC110-240V 50/60HZ