This is a Wired Metal Door Window Magnetic Contact Sensor Detector Switch

Suitable for roller shutter doors, garage doors. Metal zinc alloy housing, Connect with home burglar alarm system.

Great for installing on door of homes, apartments, shop, dorms, offices, hotel rooms, garages, and more.magnetic alarm switch contact.

• Operation gap: 40~60mm

• Connecting type: Wired

• Material: Metal Zinc alloy

• Contact type: NC (normally closed) Switch OFF when magnet away

• Max. Switching voltage: 100V DC

• Max. current : 0.5A

• Max. load : 10W

• Mounting type: Surface mounted on the ground

• Suitable: Roller shutter doors, garage doors