1. The use of high-quality materials, quality assurance, greatly improving the service life of the product. 2. LCD screen layout is reasonable, the font is large and full of rounded, professional power supply LCD screen, you want the function it has! 3. Built-in buzzer, key prompts, alarm prompts, safer and more assured use of the product. 4. Upgraded plug-in terminals, easy to disassemble and replace. 5. The product has a wide range of applications, with MPPT function, support for MPPT solar charging, can be connected to the external temperature probe to support over-temperature protection. Parameter: Input voltage: 12-72.00V Output current: 0-6.000A Output power: 390W Voltage resolution: 0.01V Output Voltage: 0-65V Voltage accuracy: ±0.5%+1 word Current accuracy: ±0.5%+3 words Current resolution: 0.001A Storage data group: 10 groups Number of buttons: 5 Screen size: Over 1.8-inch LCD with a viewable area of 38 x 29mm Buzzer: Yes Soft start: Yes Output ripple typical value:vpp-150mv Efficiency of conversion: About 95% MPPT function: Support MPPT solar charging Protection mechanism: Input anti-reverse connection: Yes Output anti-reverse: Yes Input undervoltage protection: 10-75V adjustable, default 10V Output over-voltage protection: 0-67V adjustable, default 67V Output overcurrent protection: 0-6.2A adjustable, default 6.2A Output over power protection: 0-420W adjustable, default 400W Over-temperature protection: 0-110°C adjustable, default 95°C Timeout protection: 1 minute -99 hours 59 minutes, default off Over capacity protection: 0-9999AH adjustable, default off Super energy protection: 0-4200KWH adjustable, default off Colour:Dark Gray Material:plastic The actual product may have slightcolor difference or difference, which will not affect the use Package Contents: 1 *