1 LCD can input / output voltage, output current / output power / output capacity / output time;2 CNC adjustment, accurate and fast, can boost and lower voltage, output voltage can be adjusted at will of 0 5-30v, limit current 0-4a can be adjusted at will;3 Anti-reverse connection protection from input end, which will not burn;4 Anti-reverse irrigation on the output, no additional anti-reverse irrigation diode is required to charge the battery;5 Multiple software protection mechanisms are available, and the protection threshold is adjustable When the working parameters of the module exceed the protection threshold, the output will be closed automatically Input voltage: 5 0-30 vOutput voltage: 0 5-30 v Output current: can work stably at 3A for a long time, and can reach 4A under improved heat dissipationOutput power: natural heat dissipation 35 W, enhance heat dissipation 50 WVoltage screen resolution: 0 01 VCurrent display resolution: 0 001AConversion efficiency : about 88%Size:7 9*4 3*2 6cm Material:ABS+ metalColour:grayPackage Contents:1 * Power moduleOnly the above package content, other products are not included Note: Light 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