LED luminous lights car radio tire gauge high precision digital tire pressure gauge tire pressure

"Product name": digital auto gauges "origin": "color": "size": long 13cm* wide 4.5cm "packaging": card "instruction": Digital tire gauge , gross weight: 0.2 kg measurement range: 0-100 PSI 0-7BAR accuracy: ± 1% , "Introduction": 1. high-grade digital chips, LCD screens, test more accurate, more reliable and cost-effective. 2. the three test units: PSI, and BAR, and KPA 3. replacing the coin-cell battery. 4. streamline appearance design, more attractive. "How-to": 1, start, gauges, power on display after "8.8.8", then press the power on button light to complete the PSI, BAR, KPA three kinds of units conversion on the LED display. 2, load my mouth pressed hard into the tire valve quickly, keep it airtight stop for a second. Dial gauges, reading. 1KG/CM2=14.2PSI 1KG/CM2=0.98BAR 1KG/CM2=98.0KPA 3, this product will be automatically shut down after half a minute. Note: every time a new test is required prior to re-open the load function