Heath Zenith White Plastic Wireless Battery-Operated Door/Window Sensor

Features

• SLEEK AND STYLISH: with a sleek design and white finish, this two-piece device seamlessly integrates into any room (with a functioning door or window)
• COMPATIBILTY: works with any wireless doorbell chime or smart wireless doorbell chime
• BATTERY-OPERATED: to function as designed, a CR2032 battery is required (included)
• INSTALLATION: only works when connected to a wireless doorbell chime