Wireless Doorbell, Waterproof Battery, 3 Volume Levels, 38 Melodies, for Home, Office or Classroom, EU Plug

No batteries: You will receive 1 automatic button and 1 plug-in receiver, after pressing the button, it will generate electricity by itself and send a stable signal to the receiver, no longer worry about frequent battery replacement, Don't worry when the battery runs out.

Long range: the top has strong anti-interference characteristics. No need to worry about poor signal connection with next door. The wireless door chime is indoors within a range of 100 feet and the Sensing distance can reach up to 500 feet in open environments.

Easy to install: No need for wiring or electrician installation when you use it, plug the receiver into the outlet, ready to use. The wireless doorbell is a small box that plugs into any electrical outlet. The doorbell comes with screws and strong adhesive to give you multiple installation options.

Wireless Doorbell Loud enough: This doorbell receiver with 4 levels (including mute) adjustable volumes from 0-80 dB, the volume is very loud and can be heard throughout the house, including the hearing impaired. ensuring you don't miss any visitor, even if you are only a few rooms away or on another floor. The wireless bell has 38 chimes to choose from, you can change the bells for holidays or whatever interests you.

Cold-resistant and waterproof: IP44 dust and waterproof rating; Operates between -4°C and +60°C, can withstand a variety of harsh cold weather conditions.