King-Pigeon MC-38 WIRE DOOR SENSOR Price in BD

Description

MC-38 WIRE DOOR SENSOR

White wired magnetic contact reed switch kit for home door or window security alarm system
Normally open type, when the switch and magnet is close to each other the switch is disconnected, otherwise it will be connected
Each part is equipped with double-sided foam adhesive, effortless to install

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 by the plastic or alloy shell. When the switch and the magnet is apart form or close to each other in the certain range, the switch will turn on or off automatically, thus it will inform the installed item’s place changing.