MOKLYF Wireless Doorbell, Portable Weatherproof Wall Plug-In Cordless Door Bell Chime Kit 4 Receivers 1 Push Button 38 Ringtones 4 Levels Volume 1000Ft Range,White (Black

[300M/1000FT WIRELESS SIGNAl]:Strong penetration performance, the receiving distance can reach 300 meters/1000 feet,It can be widely used in Home, Office, Apartment, Villa,Hospital, Warehouse, etc. Besides, it can also act as a nursing equipment for the elderly or patient; [WATERPROOF DESIGN]: can prevent rainwater intrusion, and effectively extend the service life of the product; [38 MELODIOUS CHIMES& 4 ADJUSTABLE VOLUME]:38 different ring tones allow you to change the ringtone freely. 4 Adjustable Volumes for you to adjust, meet your different needs; [ANTI-INTERFERENCE AND NO CROSSTALK]:Digital circuit design, multiple sets of use will not cause crosstalk.Effectively avoid the trouble caused by mutual interference between neighbors; [SUPER EASY INSTALLATION]:Two ways installation for push button, stick it with adhesive tape or mount it with screws and anchors. The package includes both double-sided adhesive tape and screws needed for the installation;