... minuteHumidity: 95% RH, 40°C for 96 hoursOperating lifespan: above 100,000 cycles Bill of Material: Housing and cover: PE/PET ... SWITCHESMaterialRoll Ball, Tube, Spring,Type Vibration sensor switches /Roll ball tilt switches /Optical roll ball sensor/ Mercury switchesFinish Nickel-plated, silver-plated ...