Cable Matters Outdoor Rated Wireless Doorbell Kit in White OUTDOOR RATED WIRELESS DOOR BELL has an IPX-4 water resistance rating for use in warm or cold climate zones; Requires no electrical outlet connection for the doorbell or receiver 300 FOOT OPERATING RANGE covers the footprint of most homes; Customizable solid or blinking LED on doorbell receiver assists hard of hearing individuals; Designed for interference free operation TASTEFUL DESIGN with turquoise LEDs on the doorbell receiver and transmitter; LED on outdoor transmitter lets your visitor know that the doorbell is ringing; Ideal for adding an additional doorbell with a unique sound CUSTOMIZED DOOR ENTRY CHIME OR MELODY include 48 melody choices, 15 chime choices, and 4 different volume levels; Simple push button chime or melody programming USER FRIENDLY INSTALLATION of outside transmitter on many types of surfaces with the included adhesive strips; Doorbell receiver can be mounted with screws, adhesive strips, or placed on a flat surface; Install in an RV, mobile home, garage, workshop, warehouse delivery dock, detached apartment unit or use as a wireless door alert for an elderly parent