LYLGO 5 Count White Magnetic Door Switch, NO/NC, Wired, Screw-In, Remote Control, Ideal for Home & Company Windows/Doors, Alarm System Compatible - CB0090W

• UPC   761270524589
• Package content: 5 sets x electromagnetic door switch Reed switch is an electric switch electromagnetic door switch operated by an applied magnetic field. maximum switching voltage: 100V. contact capacity: 500 (mA) (maximum switching current). rated power: 10W (maximum switching power). contact type: NC / NO / COM, trigger range: 5-20mm Widely used： Suitable for alarms, LEDs, relays, GPS low-voltage equipment, etc. Suitable for pickup trucks with sliding rear windows. Effectively prevent theft. The electromagnetic contact sensor can be added to the existing wired alarm system. It is very suitable for home and company windows, doors, surface-mounted magnetic contacts, ideal for the use of wooden doors and windows Features: NO / NC, NC means normally closed: when the magnets are together, the circuit is conductive (light up). when the magnets are separated, the circuit is not conductive (extinguished). NO means normally open: when the magnets are separated, the circuit is not conductive (the light is on). when the magnets are put together, the circuit is conductive (the light is off). Size: 55 * 12 * 11mm / 2.17" x 0.47" x 0.43" (L * W * H) a pack of screws, which can only be installed on wood. Reed switches are electrical switches operated by an applied magnetic field. Screw installation, Easy to install