Designed for inflating Tires and air locker activation when used in conjunction with optional accessoriesSuitable for many air tools when used in conjunction with a 4L air tank (optional with on-board models)100% duty cycleSealed for moisture and dust resistanceHard anodized cylinder bores for reduced frictionTeflon impregnated carbon fiber piston seals for maximum trouble free lifeAnodized mounting bracket dissipates heatIntegrated pressure switch, relays and IP55 (waterproof/dustproof) brushless fan cools electronics, motors and cylinder headsOver-pressure safety valve equippedOn-board model available in either a 12V or 24V configuration