Honeywell 5811 FAQ's
The Honeywell 5811 wireless thin door/window contact has a very sleek and thin look and it virtually disappears when it is installed. The 5811 blends w...
Mon, 29 Jul, 2019 at 4:13 PM
The Honeywell 5811 wireless window/door contact uses a CR2032 3V lithium coin cell battery. All you will need is the new battery itself and a smaller s...
Mon, 29 Jul, 2019 at 4:15 PM