* Tire gauge with meter Can also be used as an air pump for automobile and motorcycle. * Professional product with oil based meter. *It can be pressurized, decompression, and measured, and the meter is oil based for accurate measurement and long life. * Easy to use, squeeze the trigger to compress and decompression. Clip type dual heads for secure connection *Fits cars, trucks, motorcycles but not for bicycles. *Please connect the air socket to the air plug. Insufficient connection may cause air sockets to fall out and cause injury. *This product is imported from overseas, so there may be some stains or scratches at the time of shipment. *Instruction manual not included. Thank you for your understanding.