Wireless Door/Window Sensor. The door/window sensor requires a tattletale base unit to operate.
$25.75
Pay $0.75 after $25 OFF your total qualifying purchase upon opening a new card. 
Apply for a Home Depot Consumer Card- Instant Hassle-Free Installation & Wireless
- Thin Design, Strong Rare Earth Magnet. 0.625 in gap
- 5-Year Battery Life
- View More Details
Free & Easy Returns In Store or Online
Return this item within 90 days of purchase. Read Return Policy
