Never miss a visitor with the GE plug-in two-melody wireless door chime. The wireless, portable design allows you to move the unit to any area of your home, whether you're working in the garage, personal office, backyard or relaxing on the patio. With two melodies, you can program and personalize multiple doors by connecting up to four GE wireless push buttons. Includes one push button and one plug-in chime. Installation is easy, simply plug-in to a wall outlet and enjoy! skip the wired mess and enjoy immediate chime function with the GE plug-in two-melody wireless door chime. This product is ul listed and backed by a 1-year limited warranty.