Features: 1. All adopt screwdriver free potentiometers for direct manual adjustment2. The chip enhances heat dissipation, reliability, stability and high 3. Reserved 5V fan interface for customers4. Real time display of MPPT regulating voltage at a glanceSpecifications:Input voltage range: DC7-80VOutput voltage range: DC1.4-79VVoltage display range: 40-80.00V (accuracy 0.1V)Output current regulation range: 0-20ACurrent display range: 0.00A-20.00A (accuracy 0.03A or so)Adjustment knob: MPPT voltage regulation, output voltage regulation, output current limiting regulationMPPT function: YesBackflow prevention: the battery will not burn when it is poured back. When the is insufficient and there is no charging current, there will be 0.5-40mA backflow current. It is recommended to the diode when charging.Constant current (current limiting): YesOver protection: 300W, over will turn off the output and display OPPSize: 108 x 64 x 48mmApplications: solar charging, lithium battery charging, LED constant current drive, regulated supplyMaterial: PCB+Metalcolour: blackPackage Contents:1 x Automatic voltage lifting module(Without Display)Only the above package content, other products are not included.Note: Light reflection and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.