Digital Tire Pressure Gauge + Tire Tread Depth Gauge + Seat Belt Cutter + Window Breaker + LED Light For Car, SUV, etc. Accurate Digital Tool. Check Your Tires, Save Fuel & Protect Your Lives - Risk Free 6 Mos SUPERIOR VALUE - 5 tools in 1 Device, Packed with features and Benefits Life Saver Tools included 3 units of measure PSI, BAR, KPA; Accuracy: + / - 1 PS1 (Range 2 - 150 PSI) SUPERIOR BUILD QUALITY! Metal Gauge tip and tough ABS construction for long service life 15 seconds auto off battery saver