Description:1. Automatic calibrating,more accurate and convenience.2. Low power consumption auto shut off.3. Please operate this product in -5~50C(23~122F) and storage in -20~70C(-4~158F).Feature:1. Range: 2.0~99.5 PSI or 0.15~7.00BAR2. Material: plastic shell3. Size: 144x40x20mm4. Display: 21x10mm LCD5. Power: 3V lithium battery(Included)Package Included:1 X TG105 Tire Air Pressure Gauge Professional Digital Tester1 X User Manual