KONNWEI KW902 Bluetooth 5.0 OBD2 Car Diagnostic Scan Tool. Power supply voltage: 11.5V—15V. Power supply current: less than 200Ma. Standby current: less than 30Ma. Working temperature: -40 - 85 degrees Celsius. Working humidity: 5 percent - 95 percent RH without condensation. The KONNWEI OBD II Adapter is a car diagnostic tool developed to fully comply with OBD II and EOBD specifications. It supports multiple wireless connection modes to connect your smartphone or tablet. Read car engine data in real time, such as engine speed, ignition time, fuel adjustment, water temperature, and fuel consumption. It supports various OBD II applications. Supported OBD-II protocols: ISO 9141 KWP2000 SAE J1850 CAN J1850 VPW J1850 PWM. Vehicle Coverage: For all OBD2 vehicles (US 1996 onwards) and EOBD vehicles (European 2001 petrol cars and 2003/2004 diesel cars). Clear Check Engine Light: This code reader can diagnose check engine light problems. Easy to install: Most cars made in the last 20 years are equipped with an OBD2 diagnostic port. Works with hundreds of apps: The KONNWEI Pro Bluetooth Low Energy device works with popular OBD apps. Read diagnostic trouble codes, both generic and manufacturer specific, and display their meaning. Clear the DTC and turn off the MIL (Check Engine Light). Display engine data including: engine speed, calculated load value, coolant temperature, fuel system status, vehicle speed, short-term fuel adjustments, long-term fuel adjustments, intake manifold pressure, ignition timing advance, intake air temperature, air flow rate, and absolute throttle position. Condition: New. Origin: China.