5Sets Magnetic Reed Switch Magnetic Door SwitchMagnetic Contact SwitchNormally Open Closed NC NO Door Alarm Window Security for DC 5V 12V 24V Light

Size:M-31B Product Name: door magnetic switch. NO (normally open)?switch is closed when magnet come to the switch,Switch will open when magnet leave. NC (normally closed)?switch is open when magnet come to the switch,Switch will close when magnet leave. Product Parameters Material:Anti-fire ABS shield Net Weight: 120g Connecting mode:N.C./N.O Rated current:500(mA) Rated voltage:100v Induction distance:5 to 20mm Rated power:10W Dimension:Switch 2.17"x0.5"x0.45"(55x12.5x11.5mm)--Magnet 2.17"x0.5"x0.45"(55x12.5x11.5mm) Package Includes:5xswitch,5x magnet,A package of screws It's reliable magnetic switch. It's great for door alarm sensor, small power switch,Please contact us via amazon order when you have any questions or problem, we will make you 100% satisfy.