Heath Zenith Piezo Black/White Plastic Wireless Door Bell VEL-N It is designed to protect

It is designed to protect boats

making it easy to move from room to room and from your home to the office

Simply attach and seal from the outside of the water barrel

Manufacturer Part No: IWAF1306

Heath Zenith Piezo Black/White Plastic Wireless Door Bell VEL-N It is designed to protectIntroducing the first ever completely batteryless doorchime. By using the kinetic energy created each time the doorbell button is pushed the RF signal transmits without the need for a battery. Simply pressing the button generates the energy to activate the chime. No Batteries Needed. EVER. Easy to install, simply plug in the chime and use the two sided adhesive to mount the button. 6 chime options: Ding Dong, Westminster, Whittington, Auld Lang Syne,