Heath Zenith SL-6150-C Wireless Battery Operated Door Chime Kit, White
The SL-6150-C wireless door chime features a 2-note melody for the front entrance with adjustable volume control to suit varying sound needs. The wireless door chime kit includes a battery operated receiver and a battery operated push button (push button battery included) with up to 100-Feet transmission range between the chime receiver and push button.