3 in 1 Multifunction Tire Inflator Gauge- A Tire Inflator (need to connect air compessor, Compatible with ¼ EU air compressors output) & A Digital Tire Pressure Monitor & Tire Pressure Releaser, heavy duty solid construction, gauge dial head is guarded by thick rubber protector.Use for all vehicles, such as car, SUV, truck, motorcycle, bicycle (with schrader valve) etc.