Features:  - Cordless Portable Design:    This tyre inflator's cordless design and compact mini size make it portable and simple to operate with one hand. You only need 4 steps to start inflating. The LCD screen shows the real-time pressure on the side so you could monitor the pressure without bending to see the bottom.  - High Capacity Rechargeable Battery:    This portable compressor's certificated lithium-ion battery and USB charging port support quick charging. You could enjoy efficient charging with a high capacity battery of total 2000mAh.  - Fast Auto-Inflation:    The tyre inflator has 4 switchable pressure units (PSI, BAR, KPA, KG/CM²) so that you can preset the tire pressure as you want. The tyre pump would automatically turn off when reaching the preset tire pressure. The inflator has a maximum inflatable pressure of 150PSI.  - Night Use:    2 LED lights automatically illuminate when inflating. With LED Lights in the bottom and LCD real-time pressure display on the side, you could conveniently use the digital inflator as a tyre pressure gauge and inflator in the dark.  - Multifunction:    With cordless portable design, tyre pump allows to reach all tyres of your bicycles, motorcycles, cars (including SUVs). Also equipped with 3 nozzle adaptors for mattresses/airboat/toys/sports ball/ inflatables.     Specification:  Weight: 360g/0.8lb.  Battery capacity: 2000mAh.  Inflation efficiency: 15L/min.  Working temperature: 0°C~60°C.  Inflation pressure: 150PSI (Max).  Size: 5.5*4.5*19.8cm (2.2*1.8*7.8inch).  Pressure units: PSI, BAR, KPA, KG/CM2.  Maximum continuous working time: 8 min.  Outer air hose length: 13cm ± 0.5cm (5.1 ±0.2inch).  Operation Steps:  1. Connect the hose into the bottom tire valve core.  2. Press down the buckle on the air hose to prevent air leaking.  3. Press the button 'Unit' to wake up the LCD screen.  4. Press the button '+' and '-' to preset tire pressure.