The TM1000 series single-pole single-throw tilt switch specifies a 1,000,000-cycle life expectancy and, containing no mercury, is environmentally friendly. Triggering occurs when it tilts 45° off horizontal. Specs include a contact rating of 20 mA at 24 Vac/dc, an initial contact resistance of 5?, insulation resistance of 100 M? at 500 Vdc, a dielectric strength of 500 Vac for one minute, and an operating temperature range from -25°C to +70°C. E-SWITCH INC., Minneapolis, MN. (800) 867-2717.