Heath Zenith Piezo Black/White Plastic Wireless Door Bell VEL-N Number of Spray Patterns: 7

Number of Spray Patterns: 7 pattern

Manufacturer Part No: HG100319

Manufacturer Part No: IWAF1306

and in addition offers up to 8 hours of illumination

Heath Zenith Piezo Black/White Plastic Wireless Door Bell VEL-N Number of Spray Patterns: 7Introducing 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,