1、This machine has fast protection speed, and can protect the overcurrent and short circuit of the load in time 2、When the current value exceeds 1A, the ammeter automatically switches to the 6A large current range, which is more convenient and quick to use. 3、The large-screen LCD displays current (four-digit display) and voltage values, which is more accurate and clearer. 4、Adopt GA/1A pointer type high-current meter (LCD and pointer display at the same time), uninterrupted power, pointer watch with LED light 5、Independent 5V/2AUSB charging port, current value LED display, with current detection function 6、9V independent charging port, can provide multimeter and other equipment charging, to achieve multi-function use of a machine. 7、5V lock function, USB output only when 5V is locked, the voltage is adjustable and synchronized with the display. 8、With voltage test function, just switch to the voltage test gear (right). 1 x DC Power Supply1 x Power Plug Line 2 x Test Line1 x English User Manual  Item Type: DC Power SupplySpecifications: 1. Input Voltage: AC220V±10%50Hz/AC110V±10%60Hz 2. Output Voltage: DC0-15V/0-24V continuously adjustable 3. Output Current: DC0-6A 6A/1A pointer display conversion 4. Display Category: LCD display and pointer swing finger 5. Display Accuracy: ±1% 6. Voltage Stability: ≤ 0.05%+1mV 7. Current Stability: ≤ 0.1%+10mA 8. Cooling Method: Intelligent temperature-controlled fan forced air cooling. 9. Working Environment: -10-40℃ relative humidity <80% 10. Storage Environment: -20-80℃ relative humidity <80% 11. Appearance Size: Length x Width x Height: Approx. 260 x 240 x 155mm / 10.2 x 9.4 x 6.1in (excluding protruding parts)