WOTZOV Wireless Doorbell, 3 Push Buttons and 1 Receiver, Waterproof Wall Socket Door Chime with Power Off Memory Function, LED Flash, Range, White

UNIQUE DESIGN: 1, Humanized power off memory function design. 2, Through different doorbell button signals, make the receiver emit a variety of ringtones, better identify visitors' locations, make sure you will never miss any visitors. Can be used as a wireless paging device when needed. 58 Ringtones & 4 Volume Levels The doorbell receivers have 58 music, 4 adjustable volume levels from 25dB to 85dB to meet your needs in different occasions. LED indicator design alerts people with hearing loss or (temporary) disappearance of the doorbell sound. ULTRA-LONG WIRELESS RANGE: The wireless doorbell has a maximum reception distance of 1000 feet / 300 m (the actual signal of the receiver depends on the environment), but it will not interfere with other devices in your home or neighbors. WATERPROOF AND DURABLE: IP44 waterproof doorbell button works perfectly even in the worst weather conditions such as heavy rain, direct sunlight and frost. The doorbell material is extremely durable and can withstand over 100,000 blows. Easy to install: simply plug the receiver into a power outlet. Use the supplied screws or adhesive patch to install the doorbell button anywhere in an indoor, outdoor door frame or garden. The doorbell button uses a 12V 23A battery (but not included).