Item Type: Boost Power Supply Module_x000D_ _x000D_ Model: ZK-4KX_x000D_ Main Material: ABS+Aluminum_x000D_ Input Voltage: 5.5-30V_x000D_ Output Voltage: 0.5-30V_x000D_ Output Current: Can work stably at 3A for a long time, and can get 4A with enhanced heat dissipation_x000D_ Output Power: Natural heat dissipation 35W, enhanced heat dissipation 50W_x000D_ Voltage Display Resolution: 0.01V_x000D_ Current Display Resolution: 0.0-0.4A_x000D_ Conversion Efficiency: About 88%_x000D_ Soft Start: Yes (it may fail when the module with high power load is started)_x000D_ Protection Mechanism: _x000D_ Input anti-reverse connection;_x000D_ Output anti-backflow;_x000D_ Input Undervoltage Protection: 4.8-30V adjustable, default 4.8V_x000D_ Output Overvoltage Protection: 0.5-31V adjustable, default 31V_x000D_ Output Overcurrent Protection: 0 -4.1A adjustable, default 4.1A_x000D_ Output Over Power Protection: 0 -50W adjustable, default 50W_x000D_ Over Temperature Protection: 80-110 adjustable, default 110_x000D_ Timeout Protection: 0 -100h adjustable, closed by default_x000D_ Over-capacity Protection: 0 -60Ah adjustable, closed by default_x000D_ Working Frequency: 180KHZ_x000D_ LWH: Approx. 79 x 43 x 26mm / 3.1 x 1.7 x 1in_x000D_ Panel Cut-Out Size: Approx. 71 x 39mm / 2.8 x 1.5in