Functions: 1. It is used do monitor tire pressure, extend tire life and ensure safety. 2. Digital LCD display, you can clearly read the data day or night. 3. High-end digital chip, testing more accurate, more reliable and cost-effective. 4. When the tire pressure exceeds the normal pressure, it can automatically alarm. 5. Wide measuring range 0-200psi. Accuracy do 0,05 bar. 6. 4 tyre pressure units can be displayed: PSI, BAR, Kgf / CM², MPA. 7. Compact size, easy do store in the car and simple to use. 8. Made of high quality brass, shiny, durable and corrosion resistant. 9. Widely used in many tires of cars, trucks, motorcycles, bicycles, etc. Technical data: Material: brass rubber Color: as picture show Scope: 0-200PSI Precision: 0,05 bar Pressure unit: PSI, BAR, Kgf / CM², MPA Thread: 1/8NPT Size: 70 x 58 x 22 mm / 2,8" x 2,3" x 0,9" Package weight: ok. 61g Please be aware: