Original konnwei kw830 vehicle diagnostic devices and battery tester is an.easy-to-use (comes with user friendly interface with free lifetime online updates. aesthetically designed, multi language, durable, fast, powerful, smart and intelligent vehicle scanner.a must have for all drivers, vehicle owners, mechanics and auto electricians. ensures the health and safety of the vehicle and it user(s). you can now easily and comfortably do it yourself (find your vehicles fault). diagnose battery, multiple language, print results, read and clear fault codes. read engine rpm, i/m readiness, obd2 freeze frame data, oxygen sensors, live data stream, coolant temp, fuel system status, throttle position, fuel trims, etc. price of 900 cedis excluding delivery