The Honeywell Home Door/Window sensor expands your Honeywell Home alarm system to monitor entrance doors and windows. Easy to install on doors or window Compatible with the Honeywell Smart Home ZWave Security System.
• Expands the Honeywell Home alarm system
• Runs on 1 x CR123A battery
• Battery life up to 3 years typical use
• Dimensions: 3.42 x 2.02 x 1.48 in (86.9 x 51.3 x 37.6 mm)