Check the listing for details. 10 Recessed Door or Window Alarm Reed Switch. Condition: New. Listed at 20.00 USD. 10 Recessed Switch’s and magnets ¾" Día Press Fit Steel door contact Wide Operating Gap 1 3/8" (35mm) min. 18" long wire Leads Easy & Quick Installation Closed loop works with most alarm panels When the magnet is next to the switch the loop is closed. When the magnet is pulled away the loop opens. 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: ALINCO/ Rare Earth Amour Jacket: Stainless Steel (Type 304) Plastic Material: ABS Plastic Leave positive feedback once you receive your item and are satisfied with our service. You will receive positive feedback as soon as you pay for your item. Message with questions BEFORE you purchase.Alarm Dealers are Welcome