The HJ-919 Portable Digital Tire Inflator with Pressure Gauge Digital, this tire Inflator has a quick-fill valve for fast tire inflation. Highly accurate, this professional quality tire inflator displays, a quick-select pressure module: 2.2/2.5/3.0/3.5/4.0/4.5 bar for precise tire inflation. The inflator comes with two popular tire chuck sizes for use right out the box.
Features of product：
1. Protable: handheld design allows mechanics to check the inflation rate beside the tire
2. Long service life: with a rechargeable battery which able to support up to 12 hours; available to be charged by a cell phone charger
3. Efficient setting: automatic memory history setting of pressure rate
4. Quick-select pressure module: 2.2/2.5/3.0/3.5/4.0/4.5 bar
5. Automatic screen saver: the screen will go into sleep after 1 minute of idle