Ultra Long Operating Range: This door chimes kits adopts the FM signal scheme, which has strong anti-interference features and one-to-one signal pairing. No need to worry about signal connecting wrongly.Door chime signal can easily cross through doors or walls, Operating range up to 1000ft / 300m in the open area or 328ft(100m) far enough to cover every door and window in your house.
Waterproof Doorbell Wireless: The waterproof mini doorbell button is made of high-quality ABS material, IP44 dust proof and waterproof ,working temperature between -4 °F to 140°F;which withstand all kinds of harsh weather conditions. Acceptable for outdoor use, even in a rainy day.
LED Flash Door Ringer for home:This door entry alert offer 32 elegant music (including merry christmas ringtone), from the traditional"Ding Dong" to various well know chimes.Memory function with it,will keep the previous setted if you re-plugging it. Have 4 adjustable volume levels, with a maximum volume of 110 dB and LED strobe alerts on the receiver,offer you fast indication, which ensures you to hear the bell and answer the door in time.
Easy to Install:The wireless doorbell sensor receiver had paired already,Just put the AAA battery into the mini receiver and stick it on a wall(Battery not including); Self-powered design of transmitter no need batteries or charge,don't worry about battery drain affecting signal reception range after install, 20 years maximum lifespan!.
Multifunctional Doorbell: This door bell chime can be installed on the front door of your apartment, house, villa, flat, office, or workshop to welcome your guests, it can also be used as a pager, which makes it suitable for children, nursery, or elderly care, and it also applies to teachers seeking helpful classroom organization and management.