... black, gray, blue(according to customer requirement) Bill of Material: Housing and cover: PET heat shrinkable tubingPlastic: Temperature ... us know what the product will be used in these switches, What the effects and functions are you looking for. what you need ... Detailed Information About the SWITCHESMaterialRoll Ball, Tube, Spring,Type Vibration sensor switches /Roll ball tilt switches /Optical roll ...