Not Only Turn Off the Check Engine Light
Covers full OBDII/ EOBD diagnostic functions for engine system: turn off check engine light (CEL), read/clear fault codes, live data. (4-In-1 Graphing), freeze frame, one-click I/M readiness, voltage test, DTC lookup, data playback.
Easy to Use for Family
Simply plug into the OBD2 port on your car, turn the ignition on and you are ready to go. 2.8″ colorful LCD display screen, No battery or complicated apps install needed.
S-mog Check Helper
Read/Erase and I/M readiness hotkeys make it easy to use the car computer reader right out of the package. Red-Yellow-Green Leds indicate the readiness status for confident e-missions test. Visual indicators [Red-Yellow-Green LEDs] show the vehicle's status, eliminating unnecessary step-by-step operations.