Accurate Monitoring Tire Pressure Status Automatic Display The tire pressure is automatically detected and displayed once connect. A tire with healthy tire pressure does not need to be inflated, otherwise it needs to be inflated. Intelligent Digital Display Standard and Dual-mode Tire Pressure Setting The standard tire pressure is set in advance. you can easily inflate the tire. You can also increase or decrease the tire pressure according to your own special needs, making daily driving easier. One-key Start, Tire Pressure Reaches Preset Value Auto Charge and Stop Product Name:Intelligent Digital Inflator Pump ST-818:Car Inflator Pump Digital Display+Tool+Case Air flow:.25L/min AMPS/Amperage:6A Power cord length:. 300cm Air hose length . 50cm Output power:120 (W) Rated voltage:DC12 (V) Lighting:LED Current:12V Power supply type: lighter Voltage:7.4V Inflatable tube length:35CM Type:Single cylinder Inflator length:35CM It will automaticaly stop inflation when it reaches the value of healthy tire pressure and will not cause tire puncture due to overcharging. No battery:No battery needed, just inflate the air compressor with a built-in rechargeable battery. it is very convenient to use and save time. Powerful motor:The electric air compressor is equipped with a powerful motor, which can effectively inflate and deflate various inflatable products. Fitment:For car motorbikes e-bike bicycles balls air mattresse Colour:Black Material:plastic Size:.13.5x7x17(H)CM Package Contents: 1 set * Car Inflator Pump Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.