Pneumatic buttons can be used for any remote control purpose. It is widely used in food waste disposers, massage bathtubs, pool and spa pumps, whirlpools, sanitary equipment, outdoor machinery, automotive applications, etc. Specification: Material: ABS + PVC + stainless steel Size: 64 x 46 x 32mm Color: transparent & white & black Rated current: 16A Rated voltage: 125-250V Pin width: 6.3mm Package Included: 4 x Air Button. 4 x 1m Hose 4 x Air Pressure Switch Rated at 16 Amps, 125-250V Only the above package content, other products are not included. Products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3 cm.