... RoHS certification 3.OEM or ODM available 4.Horizontal tilt detecting Roller ball movement detector sw200Electrical Characteristics: Voltage ... Product completely airtight, waterproof, dustproofIn the normal, switch lifespan can reach 10,0000 cyclesSwitches material comply with ... Tube, Spring,Type Vibration sensor switches /Roll ball tilt switches /Optical roll ball sensor/ Mercury switchesFinish Nickel ...