Features： P200 SMART HOOK  Powerful Pro-be, the new generation of intelligent circuit analyzer, is the only circuit tester that can be upgraded on the market. It can test all 9V-30V electronic systems quickly. The test time can be greatly shortened, making it more convenient, faster and smarter! Intelligent identification of voltage/resistance Multimeter mode (measure voltage, resistance, diode, continuity, current and frequency) Relay test Injector test Diode test Oscilloscope function 0-5V adjustable power supply Activation of vehicle components Positive and negative polarity test Intelligent circuit breaker protection (adjustable overload) Screen style background optional Network can be upgraded online Multi-languages: English, Spanish, Dutch, French, Italian, Portuguese, Polish, Russian, Vietnamese and Chinese.You can change launguese by yourself any time.