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. Automatic/manual range2. True RMS3. 550V high voltage protection (except current mode)4. Computer self-calibration design5. 9999 counts high-precision display6. Backlight display, anti-breaking bracket7. Data retention, automatic shutdown8. Temperature measurement function9. NCV induction power measurement function10.1 0A current measurement11. 17 functions (gear position mode)Specification:Material: ABSSize: 130*65*32mmPower supply: 2*AAA batteries (not included)Display (LCD): 9999 countsRange: automatic/manualSampling rate: 3 times/secTrue RMS: yesData retention: yesScreen backlight: yesLow battery reminder: yesAutomatic shutdown: yesvoltage: 0-999.9V, (0.5%+3)AC voltage: 0-750V, (1.0%+3)current: 0-9.999A, (1.0%+3)AC current: 0-9.999A, (1.2%+3)Resistance: 0-99.99M, (1.5%+3)Capacitance: 0-9.999mF, (5.0%+20)Frequency: 0-9.999MHz, (0.1%+2)Temperature: -20+1000, (2.5%+5)Diode: yesOn and off: yesNCV: yesNote:There may be slight size deviations due to manual measurement, different measuring methods and tools.The picture may not reflect the actual color of the item because of different photographing light, angle and display monitor.