Use this Garage Door Contact Switch on garage doors, roll-up doors and other doors or gates where it may be difficult to mount regular magnetic contacts. Smaller magnetic switches
These are the door contact sensors that are in use with any and all commercial or residential card access systems as well as all security burglar alarm system. The
These wireless door/window magnetic sensors are used to protect the opening of both doors and windows. If a burglar opens the protected door or window, a magnetic switch inside
Working Principle: The magnetic reed switch is consist of switch and the magnet, and the switch parts is made of reed switch and the pigtail. The magnet is coved
These are the door contact sensors that are in use with any and all commercial or residential card access systems as well as all security burglar alarm system. The
These are the door contact sensors that are in use with any and all commercial or residential card access systems as well as all security burglar alarm system. The
These are the door contact sensors that are in use with any and all commercial or residential card access systems as well as all security burglar alarm system. The
What’s the different between G183 and G18?They with same appearance! G183 is the latest model and release on 2017,it with the same functions as G18,but it can read 3G