Feature: 1. Three interfaces can be switched. 2. This product will automatically record the output electric quanlity, electrical energy, output load time, all these are automatic, and it can show the load record an accumulation respectively. 3. This instrument is a unidirectional measurement with high accuracy. Through accurate software algorithms, it can achieves high-accurate display of battery capacity. 4. 16 functions in one: voltage measurement, electricity measurement, clear screen, upper and lower limit, temp measurement, backlight settings, auto-off when fullycharged, power measurement, intelligent menu, timing function, alarm prompt, capacity measurement, power-off memory, ultrawide voltage, built-in 20a shunt. 5. Compact size and convenient to operate. 6. Comes with a foldable stand for easy placement on the desktop. Specification: Voltage: AC85-265V-50/60hZ, DC0-200VoltCurrent: max. 20APower: 0-4000WTest capacitance: 0-999.99AHTemp display: -10 to 120℃Time record: max. 999days 99h 59minWorking current: with backlight 7mA. without backlight 5mAItem size: 145 * 85 * 35mm / 5.7 * 3.3 * 1.4inItem weight: 218g / 7.7ouncePackage size: 180 * 120 * 60mm / 7.1 * 4.7 * 2.4inPackage weight: 327g / 11.5ounce Package List: 1 * Direct-Current Parameter Testing Recorder4 * Test Cable