Usage Tips:Item Type: Boost Power Supply ModuleModel: ZK-4KXMain Material: ABS+AluminumInput Voltage: 5.5-30VOutput Voltage: 0.5-30VOutput Current: Can work stably at 3A for a long time, and can get 4A with enhanced heat dissipationOutput Power: Natural heat dissipation 35W, enhanced heat dissipation 50WVoltage Display Resolution: 0.01VCurrent Display Resolution: 0.0-0.4AConversion Efficiency: About 88%Soft Start: Yes (it may fail when the module with high power load is started)Protection Mechanism: Input anti-reverse connection;Output anti-backflow;Input Undervoltage Protection: 4.8-30V adjustable, default 4.8VOutput Overvoltage Protection: 0.5-31V adjustable, default 31VOutput Overcurrent Protection: 0 -4.1A adjustable, default 4.1AOutput Over Power Protection: 0 -50W adjustable, default 50WOver Temperature Protection: 80-110 adjustable, default 110Timeout Protection: 0 -100h adjustable, closed by defaultOver-capacity Protection: 0 -60Ah adjustable, closed by defaultWorking Frequency: 180KHZLWH: Approx. 79 x 43 x 26mm / 3.1 x 1.7 x 1inPanel Cut-Out Size: Approx. 71 x 39mm / 2.8 x 1.5in