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• 3-Wire Door Window Sensor N/C N/O Switch Magnetic Alarm100V DC Normally Closed/Opened for Home Safe Supply Accessories Features1. Simple to apply and easy to install2. Stable performance and lengthy provider life3. Normally open and usually closed are integrated, handy and flexible4. Not easily broken, with aspects such as stress resistance, impression resistance, and corrosion resistance. Can be put in in additional complicated environments: the door sensor change is small in size and adapts to various door types. Product parametersProduct name: MC-38B door sensor alarmAppearance size: 27*14*8 mmSwitch mode: Normally open and usually closed in oneVoltage: 100V DCLoad latest maximum 200mADriving distance: 10-20mmWire: 24AWG roughly 320mm longInstallation method: SMD (via screws or double-sided tape)Application suggestions: wooden doors windowsNormally open: When the magnet and reed change are together, they are in the off state (NO)Normally closed type: When the magnet and reed switch are together, they are within the conductive state (NC) Package listDoor sensor replace (pair)*1Screw *4

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