nc wired surface mounted alarm magnetic door contact sensor do | Shop The World
From USA
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NC Wired Surface Mounted Alarm Magnetic Door Contact Sensor Door Window Reed Switch Sensor with Double Side Tape for Security 4 Sets
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Products from the USA may come with an input voltage of 110V–120V, requiring a step-down transformer. Check the device wattage to select the correct power converter.
•Product Name: Magnetic Door Switch.
•Designed for use with alarm systems. Widely used in security window door cabinet contact.
•Material Quality: crafted from plastic, the surface mounted magnetic door switch is a reliable asset choice for your home security, which ensures longer service life with its sturdiness and resistance.
•Operation Principle: NC means normally closed; If the magnet is closed to this switch, the signal is conductive, otherwise, if the magnet is far away from this switch, the signal is disconnected; This working principle is ideal for alarms, LED, door openers, and more.
•Package Content: 4 x Magnetic Reed Switches window door sensors along with 16 screws.
From USA
