Lostrain Doorbell, Wireless Door Bell Waterproof with 1000ft/300m Operating Range, 60 Chimes, 5 Volume Levels, 2 Plug-in Receivers & 1 Push Button Cordless Doorbell Kit for Home, Office, Room

1000ft/300m Long Distance RangeOur wireless doorbell extends over 1000ft in open space, ensuring you never miss a visitor, even from a few rooms away or on another floor. Perfect for large homes, apartments, offices & classrooms.
Multifunctional DesignChoose from 60 optional ringtones, including a merry Christmas ringtone, and adjust the volume from 0 dB to 100 dB. Set silent mode to avoid disturbing your sleeping baby. The bright LED flash is ideal for the elderly and hearing impaired.
Easy Installation & SetupNo pairing needed. All doorbells have been successful paired before they leave the factory. There are two ways to install transmitter, using included adhesive tape or screws, then simply plug in the receiver for quick setup chimes and volume.
High Quality & SturdyMade with premium ABS material for fire and flame resistance, our doorbell is IP44 waterproof and dust-proof protection, with a working temperature range of -4°F to 140°F. Transmitter battery life lasts up to 3 years.
Satisfaction GuaranteedPackage Included: 1*Transmitter; 2*Receivers; 1*Battery in transmitter; 2*Screws; 1*Adhesive tape; 1*User manual. We offer 1 year warranty hassle-free after-sale services, any reason you are not satisfied with your purchase, we offer a full refund or exchange service.