KOTO automotive products have been the standard of reliability for many years. The design is carefully thought out and worked out. The quality of a product you can trust. Backlit LCD display and Lighted nozzle for visibility in dimly light areas Designed to maintain correct tire pressure, reduce tire wear and extend tire life; digital display reading instantly and clearly being shown, no longer do the guesswork of analog gauges Nozzle easily forms a seal with the valve stem on schrader valves, Simply press "ON/UNIT/OFF" button to turn on the tool, select the range, and automatically shut off in 30-40 seconds to save the power; Non-slip texture makes it easy to hold onto and the ergonomic design is both suitable for men and women's hands Perfect car accessories gifts for men; Versatile use for cars, trucks, motorcycles, bicycles etc but not compatible with presta stems For a car, motorcycle, pickup truck, van, ATV and SUV. Nonslip texture for ultimate comfort and control SPECIFICATIONS: Range: 0-100PSI Display: 1 / 4” LCD Power: 3V coin cell Operating temperature: 20-100 F (-7 – 38 C) INSTRUCTIONS 1)Press “on” button and select desired PSI setting. 2)Push nozzle of tire gauge onto tire valve. 3)Press firmly to ensure good seal and prevent air from escaping. 4)Hold gauge on valve until the reading lock on the display. 5)Remove the gauge quickly from the valve and read pressure. 6)The gauge will shut off automatically.