Self-Powered Doorbell, PDGROW Wireless Doorbell No Battery Required Cordless Door Chime Kit Push Button Waterproof at 500-feet Range with 38 Chimes, 4-Level Volume & LED Flash - USA Plug Black

Latest Push RF-Technology & Battery FreeThis door chime is self-powered, does not require cables and batteries, protects the environment and saves your money. When the transmitter is pressed, it generates electric current itself and sends a stable signal to the receiver. Never worry about damaging the wall or doorbell when changing batteries!
38 Ringtones & 4 Volume LevelsOur wireless stereo doorbell speaker delivers a rich and clear sound. It offers a wide range of 38 ringtones and 4 volume levels (including mute) to suit your personal taste. Press and hold the volume button to return to the first ringtone (Dingdong). With memory function, the wireless bell remembers your last settings after a power failure.
No Crossalk & False AlarmThis wireless door bell has a strong penetration force and anti-interference. The range for multiple obstacles is up to 152 m (500 feet) and in open areas up to 305 m (1000 feet). It does not affect other devices in your home or your neighbours and ensures that you never miss a visitor, even if you are a few rooms away or are on another floor.
Easy InstallationSimply connect the mini receiver to a socket and attach the transmitter to a wall with the included accessories, including 2 screws and a piece of self-adhesive tape. Our door bells can be used for home, apartment, school, country houses, office and more. This cordless chime without battery is also a nice Christmas gift, birthday gift or anniversary gift for any home or business owner.
Quality Assurance & Satisfied Service our plug in doorbell is dustproof and IP44 waterproof and can withstand various harsh weather conditions. The push button can reach a maximum service life of 20 years of up to 150, 000 clicks. We also offer 2 years warranty plus 60 days satisfaction or return policy. If you have any problems with our products, please contact us to find a satisfactory solution.