Webcam -Inverted Magnetic Nc Closed Window Door Contact Magnetic Contact 2 Highlights generic brand Inverted Magnetic Nc Closed Window Door Contact Magnetic Contact 2 Description: 100% brand new and high quality Suitable for metal door, machine metal carbinet, device controller, home security system, smart home and Safes and etc. The switch part (the wire part) should be installed at the fixed frame of the metal window door, on which cannot be easily touched, the magnet part should be installed at the flexible metal window. Via magnet for Emmit signal, easy installation, low price, high sensitivity, easy to use, waterproof and not easy to damage invasion. There should be no iron interfere between the magnets, otherwise it would strike down the magnetic force lines and lead to failure. Specification: Total Length: Approx. 43cm Cable length: approx. 38cm Dia. height of Magnet door: 13cm Height of Magnet door: 25cm Item: NC LC-1025 Material: brass (nickel plating on the surface) Max. Voltage: 100VDC Max. Current: 0.5A Contact Power: 10W Sensor Distance: 20~25mm Lead Wire: 1007UL22AWG350mm Installation Method: Flush Installation Operating Temperature: -30~80 Package includes: 1*NC door window Magnet LC-1025 Note: The part of the switch should be pricisely intalled with magnet, otherwise the distance between the best access of the magnetic force line with the contact point of the switch would be shortened, and then it would not snesor the attraction and cause the error taken off. The part of switch must be stay awny from the strong magnet interfering areas, otherwise the charactor of magnetic switch would be changed and it is possible to generate errors.