1. The signal generator is small in size, has many functions, easy to operate and easy to carry.2. The key layout is reasonable, all functions have independent corresponding keys, easy to operate.3. Built-in battery, low power consumption, long standby time.Item Type: Rechargeable Digital MultimeterVoltage: 6V/60V/600VAC Voltage: 6V/60V/600VResistance: 600/60k/6k/600k/6M/60MCapacitance: 10nF/100nF/1uF/10uF/100uF/1mF/10mF/60mFMeasurement Function: AC voltage, resistance, capacitance, frequency,temperatureAuto Range: yesContinuity Buzzer Test: yesDiode Test: yesData Hold: yesAutomatic Shut-down: yesBacklight: yesWorking Temperature: 0-40, Humidity: