Victor V866 Digital Tire Gauge with Illuminated Tip Approximately 7" Long x 0.75" Diameter; Compatible with Conventional Tire Valve Stems Digital Tire Gauge; Easy to Read Backlit LCD Display; Easy-Grip Handle; High Pressure - Reads 5 to 150 PSI; Helps Save Fuel, Extend Tire Life, and Improve Handling Accuracy: +/- 1% + 0.5PSI; Power (Gauge) Permanent Lithium Coin Cell; Power (Back Light) 3 LR44; Batteries Included; Operating Temperature; 0 to 100 F (-10 to 50 C)