1、CIRCUIT PROTECTION: The power supply can protect the load from overcurrent and short circuit in time and cut off the output, and can automatically restore. 2、LCD DISPLAY SCREEN: Use large LCD screen to display current (4 digits display) and voltage values, with clear and accurate readings. 3、WITH POINTER DISPLAY: With 2A pointer, LCD display and pointer display at the same time, and the LED light makes the operation clearer. 4、USB CHARGING: Independent 5V 2A USB charging, with current detection function, USB output only when 5V is locked. 5、5V LOCK FUNCTION: When 5V is locked, the USB voltage is adjusted to about 4.2V, use the one key power on cable (not included), and press the PW key to achieve one key power on. 6、TEST FUNCTIONS: With mobile phone signal test function and voltage test function, suitable for all kinds of communication maintenance. Item Type: DC Regulated Power Supply Model: 1505TD Output Current: DC 0-5A 2A pointer display conversion Display Category: LCD display and pointer swing indication Display Accuracy: ±1% Current Stability: ≤0.1%+10mA Cooling Method: Intelligent temperature control fan forced air cooling Working Environment: -10-40℃ relative humidity <80% Storage Environment: -20-80℃ relative humidity <80% Size: Approx. 195 x 170 x 150mm / 7.7 x 6.7 x 5.9in (excluding protruding parts) 1 x Regulated Power Supply 1 x Power Test Wire 1 x Battery Adapter Wire 1 x Plug Power Cord 1 x User Manual