If you are looking for a push-button type of switch then this is what you need. You don't have to worry about using a magnet. Whenever a window or door is open the button pops out and opens the circuit creating a condition in the main panel. Complete with Spacer and ScrewsShorter length for tight-fitting areasTerminal connectionsColour White Features:  Used for protecting sliding doors and windows where space is limited  Magnet and reed switch contained in housing  Rollerball plunger travel is 1/4″ (6mm)  360º Rollerball  Screw terminals  Contact reed switch is SPST, ruthenium on gold underplating for a longer expected life  For closed loop circuits  Spacer and screws includedRoller Ball Contacts features include: Suitable for security & alarm systems, signaling circuits and all types of general low voltage switching applications. Used with Doors, Windows or Bell/Buzzer. Alarm switch is designed to operate when depressed from any angle. Ball Hidden Sensor Door Jam Recessed Switch Home Security Alarm Plunger Contact.Features:Used for protecting sliding doors and windows wherespace is limitedMagnet and reed switch contained in housingRollerball plunger travel is 1/4 (6mm)360º RollerballScrew terminalsThe contact reed switch is SPST, ruthenium on gold underplating for a longer expected lifeFor closed-loop circuitsSpacer and screws included Lifetime limited warranty Specifications:Loop typeClosed loopElectrical configurationN.O. (SPST)Switch typePlungerSwitch travel¼″ (6mm)ConnectorsScrew terminalColorWhiteMaterialHigh-impact ABS plasticContact rating 0.1A@100VDC (max.) 1.0A@10VDC (max.) 10W (max.)Temperature-15°~160° F (-25°~70° C)Switch cycles50 Million (0.1 mA @ 5 VDC)Dimensions13/4"x1"x13/16 (44x25x30 mm)MagnetRare-earth neodymium Dimensions:Our Commitment to Your Satisfaction:⭐Customer Happiness is Our Ultimate Goal. ✔⭐Enjoy a 30-DAY SATISFACTION GUARANTEE on Every Product! ⭐⭐Inspect Your Purchase and Notify Us Within 30 Days of Any Issues. 🎁⭐Contact Us First if You Encounter any Problems – We're here to help! ✔Thank you for choosing us! Your satisfaction is our priority.