1. 18 LED can be changed at any time for daily lighting or warning lights. For emergency make warning flash, can effectively avoid the collision accidents.
2. It is convenient to storage which not only with 60cm inflatable hose storage groove design, but also with 3 meters long power cord storage groove, four convex can be locked power cord, wiring around is not easy to spread. Specially the cigarette lighter card slot, head of the internal glass materials for the insurance tube, with very good protective effect.
3. The use of high precision metal pressure gauge, which makes of precision metal movement, pointer does not shake, embedded more stable, so that with more accurate measurement.