ABN Digital Tire Pressure Gauge with LED Light and Non-Slip Grip 100 PSI Digital Tire Pressure Gauge LED lighted valve for proper use even at night. Backlit LCD display instantly shows the exact reading in 4 selectable ranges PSI, BAR, KPa, Kg/cm. Designed with auto shut off to prevent tire deflation. Simple to use: push button activation turns the gauge on while pushing button again revolves through desired ranges. Specifications: (4) Measurement Ranges: PSI: 0-100, Bar: 0-7, KPA: 0-700, Kgf/cm2: 0-7 Minimum Increment: 0.5 PSI Power Source: (1) CR2032 3V Lithium Coin Cell, (3) LR44 1.5V Button Cells (All Included). Measurement Ranges: PSI: 0-100, Bar: 0-7, KPA: 0-700, Kg/cm: 0-7 Minimum Increment: 0.5 PSI Power Source: (1) CR2032 3V Lithium Coin Cell, (3) LR44 1.5V Button Cells (All Included)