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.Feature: 1. It is a true effective value digital multimeter, and has intelligent antiburning function.2. Intelligent operation, it is simple to use the multimeter with no need to adjust the gear.3. Small size, easy to carry, automatic power supply measurement when power on.4. The multimeter has a digital display screen, which the operator can read quickly and is practical.5. The multimeter has high performance, high accuracy, and accurate measurement values.Specification: Item Type: Digital MultimeterMaterial: ABSPower Supply: 2 x 1.5VAAA (Battery Not Included)RangeResolutionAccuracyOverload ProtectionAC Voltage4.000V0.001V(1.0%+5)600Vrms40.00V0.01V(0.8%+3)400.0V0.1V600V1VVoltage4.000V0.001V(0.5%+3)600Vrms40.00V0.01V400.0V0.1V600V1VAC Current999.9mA0.1mA(1.2%+3)Fuser9.999A0.001ACurrent999.9mA0.01mA(1.0%+3)Fuser9.999A0.001AContinuity Test400.000.110 Buzzer sound, 50 Buzzer no sound600VrmsOpen circuit voltage is about 2.8VResistance400.000.01(1.0%+2)600Vrms4.0000K0.001k(0.8%+2)40.000K0.01k400.00K0.1k4.000M0.001M(1.5%+3)40.00M0.01M(2.0%+5)Diode Testing4.000V0.001V0.50.8V600VrmsCapacitance4.000nF0.001nF(4.0%+10)600Vrms40.00nF0.01nF400.0nF0.1nF(4.0%+5)4.0000uF0.001uF40.000uF0.01uF400.00F0.1uF4000F1F(10%)H