1、The tire gauge help to test the tire pressure quickly. 2、Designed with Liquid crystal display, easy to read. 3、Measuring tire pressure function is suitable for car, minivans, SUVs. 4、The tool has flashlight function that can be used for night lighting. 5、Hammer function can break window in case of emergency. Features: The tire gauge help to test the tire pressure quickly. Designed with Liquid crystal display, easy to read. Measuring tire pressure function is suitable for car, minivans, SUVs. The tool has flashlight function that can be used for night lighting. Hammer function can break window in case of emergency. Cutting knife function can cut off safe belts to escape. Specification: Condition: Brand new Item Type: 4in1 Emergency Tool with Tire Gauge Pressure Display Range: 0-150 PSI Display Unit: PSI/BAR/KPA Automatic/Manual Shut-off Function: Yes Test Range: 2.0-99.5 psi or 0.15-7.00 bar Resolution: 0.5 psi Flashlight Battery: AAA battery(NOT included) Display Battery: Button cell(included) Package List: 1 x Emergency Tool