... use in the dark. *Bleeder valve for pressure adjustment. * Digital tread depth gauge * The hammer easily shatters glass to free ... . *Auto power off. Note: 1. Put this Digital Tyre Gauge near by hand in your car. 2. Usually, do not use ... supply the following products: (1) Measuring Tools------Vernier Calipers, Electronic Digital Calipers, Micrometers, Dial Indicators, Squares, Protractors, Gages, etc (2 ...