Feature:1. TEST PARAMETERS: The digital multimeter supports detecting AC and DC voltage and current, resistance, capacitance, frequency, and temperature, as well as diode and transistor measurements.2. SIMPLE OPERATION: This multifunctional tester adopts an LCD digital display screen, with knob adjustment and clear dial. Manual range design ensures convenient and efficient operation.3. BRACKET AND TEST PORTS: The multimeter comes with a bracket design on the back, making it easy to place and observe data. Test pen port design, with good contact and maximum value prompt.4. BATTERY POWERED: This electrical tester is powered by a 9V 6F22 battery (not included), convenient for use anytime and anywhere without the need to connect data cable, greatly saving time and labor.5. MULTIPLE FUNCTIONS: This digital multimeter also supports backlight lamp, overload indication, low voltage prompt, on off buzzer, and automatic shutdown functions, increasing practicality.Specification:Item Type: Digital MultimeterDisplay: LCD Digital DisplayOperation: Manual RangeMaximum Display: 1999(3 1/2) Auto Polarity DisplayDiode Test: YesTransistor Test: YesBacklight: YesOverload Indication: OL Display on LCDLow Voltage Prompt: YesOn Off Buzzer: YesOperating Temperature and Humidity: 0-40, less than 75%RHAuto Power Off: YesInput Impedance: 10MAC Frequency Response: 40-200HzPower Supply: 1 x 9V 6F22 Battery (not included)Basic FunctionRangeAccuracyDC Voltage200mV 2V 20V 200V(0.5%+4)100V(0.8%+15)AC Voltage2V 20V 200V(0.8%+8)750V(1.2%+15)DC Current200mA(1.5%+10)10A(2.5%+15)AC Current200mA(2.0%+15)10A(3.5%+15)Resistance200(0.8%+5)2k 20k 200k(0.8%+3)20M(1.0%+25)Capacitance20nF 2uF(2.5%+20)200uF(5.0%+10)Frequency2kHz 200kHz(3.0%+18)Temperature-20-1000, -4-1832(1.5%+15).Package List:1 x Digital Multimeter2 x Test Wires1 x User Manual