Features: Large screen display, dial diameter (7cm, 2.75 inch) 4 units: PSI, BAR, KPa, Kgf/cm2 Automatic identification switch: automatic identification of air pressure when air pressure is entered With LED flashlight lighting Copper connector connector size: 1/4" Protective rubber cover Specifications: Display mode: LCD digital display Pressure unit: four units can be switched PSI, KPa, Bar, Kgf/cm^2 Measuring Range: 3 - 250 PSI Measurement Accuracy: (3-100 PSI) ± 1 PSI, Above 100 PSI ± 2 PSI; Operating Temperature: -10 to 50°C Key Function: Open Key (Left), Unit Switch Key (Right) (Automatically display the air pressure when air pressure enters, automatically closes when the air pressure is disconnected) Operating Voltage: DC3.1V (with 1.5V battery pair 7) can be replaced LCD battery symbol flashes when battery voltage is lower than 2.5V Operating Current: le; 3MA or less (with backlight); Le; 1MA or less (without backlight) Static Current: le; 5UA Note: The item color displayed in photos may vary slightly when showing on your computer monitor since monitors are not calibrated same. Please allow 1-3mm slight deviation due to manual measurement. Thank you! Package Included: 1 * Digital Tire Pressure Gauge with Flashlight