Long RangeSufficient wireless range (280m/1000ft in 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 doorbell house will inform you in time. never miss a visitor Waterproof and weatherproof Thanks to the IP44 weatherproof technology and thanks to the operating temperature between -30C and 70C, the wireless doorbell is also suitable for outdoor use. It works flawlessly, for example, in rain, snow or sub-zero temperatures. Easy InstallationSimply plug the receiver into a power outlet and install the push button on the wall or door frame with provided or screw tape. Blue LED flashes when someone visits. Different tones volume 36 different ringtones 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 use2 receivers and 1 transmitter, no batteries required and no annoying cables. IP44 waterproof snap button is suitable for outdoor/outdoor use, as a garden sling. NOTE: 1. The size of the product is measured manually, and there will be an error of 2-3mm due to factors such as different measurement tools and measurement methods. 2. This product is all taken in kind, but due to differences in photography, lighting, color deviation, and personal understanding of color. As a result, there may be some color difference between the actual product and the photo, and the color is subject to the actual product. 3. Please take good care of our products