Long range A sufficient radio range (280m / 1000ft in the open area) is perfect for your home, the signal can penetrate obstacles very well. Either you are cooking in the kitchen or weeding in the garden, this wireless radio bell will inform you in good time. never miss a visitor! Waterproof and weatherproof Thanks to the IP44 weatherproof technology and thanks to the operating temperature between -30 C to 70 C, the wireless doorbell is also suitable for outdoor use. It works flawlessly, e.g. 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 tape or screws. Blue LED flashes when someone visits. Different tones & volume 36 different ring tones from classic to well-known melodies are available for you to choose from. adjustable volume from 25db to 85db can be set in 4 levels. Bell radio front door 1 receiver and 1 transmitter, no batteries required and no annoying cables. This wireless doorbell can be expanded as required with additional receivers and transmitters (same model). Product information Chalemain bell radio front door Wireless doorbell, wireless doorbell for outdoors and indoors The radio doorbell has a 300m / 1000-foot workspace, ensuring you will never miss a visit or delivery. 300M large radio range The range between transmitter and receiver is up to 300 meters! A sufficient radio range makes it possible to install the bell radio anywhere in your home. Wireless doorbell can be expanded with additional transmitters and receivers (same model). Bad weather conditions easily survived IP44 waterproof and dustproof, suitable for indoor and outdoor. The wireless doorbell can be used in the range of -20 -65 . You don't have to worry about sun, rain, snow or other extreme weather conditions like frost. 36 ring tones and 4 volume to choose from 36 melodies ensure that you have plenty of choice to set a favorite song as your ringtone. The bell radio front door has 4 adjustable volume levels (25db-85 db) to meet your different requirements. LED signal The wireless doorbell is loud enough and there is an LED signal when the bell rings, which is useful for the hard of hearing. Scope of delivery 1x transmitter 1x receiver 2x screws 1x 12V A23 alkaline battery for transmitter 1x double-sided adhesive tape 1x small screwdriver 1x instruction manual Waterproof radio bell with 3 year battery life, suitable for inside and outside Dimension of the radio doorbell Transmitter: 7.8cm x 4.6cm x 2cm Receiver: 8.0cm x 7.5cm x 2.3cm Specifications Ring tones: 36 Waterproof (transmitter): IP44 Operating temperature: -22 C ~ 65 C Volume: adjustable in 4 levels (25db ~ 85db) Input voltage: AC110-240V 50 / 60HZ