WOTZOV Waterproof LED Home Wireless Doorbell, 1000 Feet Long Range Door Chime,2 Push Button+5 Receivers,36 Ringtones,4 Volume Levels,Easy Install for Home/School/Office,Black,Black

36 Ringtones & 4-LEVEL VOLUME:The doorbell Receivers features 36 music,4 adjustable volume levels from 20dB to 80dB to meet your needs on different occasions. LED indicator design alerts people with hearing loss or doorbell sound (temporary) disappearance. WATERPROOF & DURABLE:The 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 more than 100,000 knocks. ULTRA-LONG WIRELESS RANGE:Extremely strong penetrating performance,the receiving distance can reach 300 m/1000ft in a straight line,But it will not interfere with other devices in your home or neighbors.. EASY TO INSTALL :Simply plug the receiver into a power outlet,Use the provided screws or adhesive patch to install the Doorbell Button in any location in an indoor, outdoor door frame or garden. TIPS:Can used as a wireless paging device when in need.Doorbell button uses a 12V, 23A battery (but not included).Actual receiver signal, signal strength varies depending on environment and obstacles.