Brand N/A Model N/A Quantity 1 Color Blue Material Plastic +PCB Specification Module Character: Non-isolated step-down module (Buck); Input Voltage: 4.5~30V; Output Voltage: 0.8~30V continuously adjustable (default output 5V); 0.8~30V fixed output; Output Constant Current Range: 0.1~5A (default output current 3A); Output LED jumping range: 0.1~5A (default LED-jumping current 0.3A); Working Temperature: -40'C~+85'C; Working Frequency: 300KHz; PWM Controllable Frequency range: 100~300Hz Features Buck constant voltage constant current module Application Various electronic products or DIY projects Other Contact resistance: 20m ohm max.; Insulation resistance: >= 100m; Dielectric strength: AC 1000V; Electrical life: 10000 times cycle English Manual/Spec Have Packing List 1 x Buck constant voltage constant current module