Check the listing for details. 10 Recessed Door Window Terminal L.E.D. closet Switch Contact Sensor. Condition: New. Listed at 26.00 USD. 3/8" Recessed Stubby Terminal Leads Switch with magnet ** This is for 10 SWITCHES** • 3/8" Día with Terminal Wire Leads • Easy & Quick installation • Longer Length • Operate 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 Welcome E-mail us with questions before buying Reed Switch Specifications Contact Rating: 10W/VA Switching Voltage (Max.) : 200 VDC Switching Current (Max.) : 0.5 Amp. Contact Resistance (Min.) : 150 milli ohms Life Expectancy: 10x 10 6 Operations Insulation Resistance: 10 9 ohms Shock Resistance: 30G for 11mSec. Vibration Resistance: 20G (10 to 1000Hz) Magnets: Rare Earth Plastic Material: ABS Plastic Alarm dealers welcome