HomeProduct Product Dimensions4 x 4.3 x 1 inches 4 x 4.3 x 1 inches Filter Showing the single result Default sorting Sort by popularity Sort by average rating Sort by latest Sort by price: low to high Sort by price: high to low Sort by editor review Added to wishlistRemoved from wishlist 0 SpyX Door Alarm – Door Monitor That Detects Motion to Protect Your Stuff & Scare Away Intruders. Motion Sensor Alarm for… $19.99 Check Price on Amazon