List of Features:

1）150PSI (10Bars) Maximum Pressure;
2） Emergency light;
3） Built-in Light On/OFF switch;
4） Built-in ON/OFF compressor switch;
5） Powered by DC12V 3m(10ft) power cord with car cigarette lighter;
6） Maximum Ampere: 10A;
7） Automatically stop when pressure reach desired pre-setting;
8） 4 unit display and switchable in digital air gauge;
9） Digital air gauge with high accurate level;
10） Knitted air hose with snap-in Plug;
11） Accessories: 2 nozzles and 1 sport needle

Optional Feature:

• Change 150PSI MAX to 250PSI without increase of cost;
• Fused car cigarette lighter;
• Change color of unit;
• Branded package like label, color box or double blister;

12272P is a tire inflator with built in digital air compressor core that can stop working automatically when pressure reaches your pre-set pressure.  It's a programming item. Typical advantage to others were high accurate pressure gauge, automatically stops working when pressure reaches desire, built-in emergency light, and very modern face design. BTW, you have 4 more colors to choose.