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.Features:3 1/2 Digital MultimeterLarge 2000 counts LCD displayTests AC voltage and current, resistance, frequency and capacitanceTest Temperature -20 C1000 CTransistor (hFE) check, diode and continuity testData hold and display back lightAuto power offAll range protection with resettable fuseSpecification:200m/2V/20V/200V+-0.5%,1000V+-0.8%AC: 2V/20V/200V+-0.8%,750V+-1.2%20mA+-0.8%,200mA+-1.5%,10A+-2.0%AC: 2mA+-1.0%,200mA+-1.8%,10A+-3.0%Resistance: 200/2k/20k/200k/2Mohm+-0.8%,20Mohm+-1.0%,200Mohm+-5.0%Capacitance: 20n/200n/2u/20uF+-4.0%Frequency: 0-20Hz+-1.5%Temperature: -20 C1000 ChEF: 11000Diode testContinuity testSampling rate: 3 times per secondDimensions:195×92×55mmWeight: 500gPower: 9V