Magnetic Contact, Surface Mount, Electrical Configuration Normally Open, Loop Configuration Closed, Material ABS Plastic, Color White, Max Current (Amps) 0.5, Max Voltage 100 VDC/VAC, Gap Distance 1 7/64 Min, 1 13/64 Max In, Length 9/16 In, Height 1/2 In, Width 1 In, Depth 9/16 In, Operating Temp Range -15 to 160 F, Response Time 0.5ms Max Sec, Mounting Surface, Two #8 Screw Holes, Standards, Includes Hardware, For Use With Windows and Doors