3-in-1 Multi-Function - Tire pressure gauge accurately monitors tire pressure, inflator gun inflates tires when connecting an air compressor (works with 1/4" NPT), tire deflator tire quickly bleeds overinflated tires by pressing its air bleeder valve. High Accuracy - Professional inflation gauge with gauge and certified accurate to ±1% (relative humidity temperature 25°C) with a display resolution of 0.1 for maximum precision. Accurately measures a range of 0-250 PSI, much safer and convenient. Easy to Read - Bright digital blue backlit display features measurements. Low wattage white LED lighter available in dim or dim conditions. Tire pressure gauge with four different units of measurement to choose from: PSI, KPA, BAR, KG/CM². Sturdy Material - The tire inflation gauge with pressure gauge comes with sturdy stainless steel construction, brass air chuck, thickened silicone protective cover and a durable rubber hose, which guarantees its long service life. Package includes: 1pc Tire Pressure Gauge with Inflator Gun, 4pcs Tire Plugs, 1 French Air Nozzle Adapter, 1pc 1/4" NPT Quick Connect to Male Fitting, 2pcs Replacement Gasket, 1pc Wire Seal Tape Roll, 1pc screwdriver, 1pc manual