Check the listing for details. Wardrobe Contact Pantry Closet Recessed Door Window Terminal Switch Sensor. Condition: New. Listed at 12.00 USD. Wardrobe Contact Pantry Closet RecessedTerminal Leads Alarm Switch with magnet** This is for 1 SWITCH and magnet**3/8" Día with Terminal Wire LeadsEasy & Quick installationOperate Gap ¾" (19mm) min. When the magnet is next to the switch,the loop is OPEN.When the magnet is pulled away the loop CLOSES.Alarm Dealers are WelcomeE-mail us with questions before buyingNOT for direct 110 uses, must be DC such as with a transformer power supply.FOR LED lights and so on. NOT for 12V Car battery it is too high mAh.Reed Switch SpecificationsContact Rating: 10W/VASwitching Voltage (Max.) : 200 VDCSwitching Current (Max.) : 0.5 Amp.Contact Resistance (Min.) : 150 milli ohmsLife Expectancy: 10x 10 6 OperationsInsulation Resistance: 10 9 ohmsShock Resistance: 30G for 11mSec.Vibration Resistance: 20G (10 to 1000Hz)Magnets: Rare EarthIf you have any questions please Message BEFORE you buy Alarm Dealers Welcome Please Message Before you return the item there may be a 15% restocking fee