Your door and window sensors keep you safe when you're at home during the day and moving around your house. [substeps] The door sensor comes in 2 pieces-the bigger half is a wireless transmitter and the tinier piece is a magnet that completes the circuit.
[header] How to set up a wireless home security system [title] Set up the door and window sensors. [step] Doors and windows are vulnerable areas of your house or apartment through which a burglar can break in. Once you attach these sensors the corner of your doors or windows, they'll be able to detect whenever your access points are open.