The Honeywell Home Outdoor MotionViewer adds security and notifications to outdoor perimeter. It's a combination motion sensor and video camera in one unit that expands your Honeywell Home alarm system. If you have ZWave lights connected to your Honeywell Home alarm system you can trigger them to turn on when motion is sensed. The built in battery lasts up to 2 years with typical use so you don't have to worry about frequent battery changes. Compatible with the Honeywell Smart Home ZWave Security System.