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:Basic Test Function: the smart meter that intelligently recognizes and measures AC/DC voltage, AC/DC current, resistance, frequency, on-off buzzer, etc., and automatically switches to corresponding range. It can also manually switch the gears of diode, capacitance, temperature, etc., simple to use that ordinary users can easily operating.Compact Portable Size with Protect Sleeve: measured size in 6*6*1 inch, the mini-size multimeter is as small as your mobile phone that making it the perfect size for carrying around, with a transparent case to protect the device from scratching and dropping.Easy-to-read LCD Display: 3.8-inch super large high definition LCD screen with maximum 6000 counts readout and backlight that makes readings more clear and accurate.Dual Flashlight Design: two flashlights designed for auxiliary illumination in dim light environment or in the darkness.Specifications:DC Voltage: 0.8600V(0.8%+5)AC Voltage: 0.5600V(1.0%+5)DC Current: 5mA10A(2.0%+5)AC Current: 6mA10A(2.0%+5)Resistance: 060M(1.0%+5)Capacitance: 0100mF(4.0%+5)Hz: 102000Hz(2.0%+5)Temperature: -20530/-4986(3.0%+5)Material: ABSMax. Display: 6000 countsAuto Power-off: 10 minutesBacklight Auto-off: 30sIllumination Auto-off: 30sTrue RMS: 45Hz2kHzConversion Rate: About 3s/second