1. High performance, continuously adjustable output voltage and current 2. Add digital display function, output voltage can be displayed for more convenient use; 3. Easy to operate, can be connected and used immediately 4. Using high-quality materials, the input voltage can reach up to 80V; 5. Extremely high efficiency, up to 93%. Input voltage:DC12-80V (cannot be used for 7 2V batteries) Output voltage:2.5V-50V adjustable (can only reduce voltage) (maximum output voltage=input voltage x 08) Output current:20A (MAX) 25A Maximum overcurrent power:600W conversion Efficiency:greater than equal 93% Protection:overcurrent protection, anti backflow Working temperature:-40℃-85℃ Storage environment:-20℃ -+50℃ Relative humidity:65 ± 20% Wiring:For high-power situations, try to make the wiring as thick as possible. Interface description:IN+: Input positive pole; IN -: Input negative pole; 0UT +: Output positive pole; 0UT -: Output negative pole; B Bule Blue light: Constant voltage no current; G Green light: Current light; C-R-Red Red Red light: Constant current mode light; IADJ: Current adjustment, clockwise large, counterclockwise Due to different batches, there may be differences in product appearance and printed text, which will not affect use Colour:As Shown Material:abs Size:L125mm x W70mm x H32mm Package Contents: 2 x Adjustable Step-Down Power Module Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.