Features:  Cordless design, light weight and portable, easy to carry with the car and use on the road.  Multiple protections design, overload, overheat, overdischarge are protected.  Intelligent digital LCD display, it will display setting inflation pressure when testing, and display real time tyre pressure while working.  Air pressure unit is adjustable, you can easy to switch between PSI, bar, and KPa according to your demands.  Auto-stop function at pre-set pressure, when the tire pressure reaches a predetermined value, it will automatically stop inflation.  Equipped with presure setting function, you can set the pressure value between 20 kPa (3 PSI) and 830 kPa (121 PSI),  easy to reduce and increase the pressure by two buttons.  There is a LED indicator light, convenient for you to use at dim light environment.  Comes with 3pcs different valve-adaptors, and there is a thoughtful valves storage space on the inflator.  Wear-resistant nylon braided inflatable tube, anti-freezing and non-breaking, explosion-proof and high temperature resistant.  Wide applications, suitable for inflating bicycle and vehicle tyres, sports balls and inflatable leisure equipment.    Specifications:  Name: Cordless Inflator   Material: ABS  Type: host, with battery EU-Plug, with battery USA-Plug (optional)  Battery: 1 * 21V, 15000mAh battery (optional, there are 10pcs 3.7V, 1500mAh batteries inside if you detach it)  Item weight:  Host: 1100g / 2.43lb  With battery: 1660g / 3.66lb  Package size: 352 * 197 * 102mm / 13.86 * 7.76 * 4.02in  Package weight:  Host: 1250g / 2.76lb  With battery: 1810g / 3.99lb    Packing List（E21097）:  1 * Cordless Inflator Host    OR    Packing List（E21097EU/E21097US）:  1 * Cordless Inflator Host  1 * Battery  1 * Battery Adapter