ITEM NAME:DC Boost Voltage Converter Constant Current Module Step Power Up / Down TU T SE Product parameters: Input voltage: 5-30V Output voltage: 0.5-30V Output current: it can work steadily in 3A for a long time, and can achieve 4A under enhanced heat dissipation. Output power: natural heat dissipation 35W, enhanced heat dissipation 60W Conversion efficiency: about 88% Short circuit protection: Working frequency: 180KHZ Size: length * width * high 65*32*21mm Weight: 30g Packing: 1Pcs.Output power: natural heat dissipation 35W, enhanced heat dissipation 60W. Short circuit protection Size: length width high 65 32 21mm.