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 house bell will let you know in a timely manner. 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. They work 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 and different ring tones from classic to well-known melodies are available for you to choose from. adjustable volume from 25db to 85db is adjustable in 4 levels Wireless bell for indoor and outdoor use, 2 receivers and 1 transmitter, no batteries required and no annoying cables. IP44 waterproof push button is suitable for outdoor use, as a garden bell. Product information Radio bell Wireless doorbell, wireless doorbell for outdoors and indoors The wireless doorbell has a 300m / 1000-foot workspace, ensuring you will never miss a visit or delivery. 300 range Schletes weather can survive easy installation LED signal 300M long range The range between transmitter and receiver is up to 300 meters A sufficient radio range makes it possible to install the radio bell anywhere in your home. 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. easy installation Attach the transmitter to the wall or door frame with the supplied adhesive tape or screws. Plug the receiver into any electrical outlet. Note: Please remove the insulated protective plastic film before installing the receiver LED signal When the doorbell rings, the receiver shows a blue LED signal, which is practical for the elderly and the hard of hearing. Waterproof Scope of delivery what to keep in the park? 1x transmitter 1x receiver 2x screws 1x 12V A23 alkaline battery for transmitter 1x double-sided adhesive tape 1x small screwdriver 1x instruction manual battery operated wireless doorbell with 3 years battery life Suitable for inside and outside, as a garden bell or doorbell, etc.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 / 60HZProducts from GuanGuan's store