The screen display shows the status at a , simple operation and more experience. Display complete, simple operation, stable performance. Fine workmanship One-piece molding frosted panel High-quality aluminum alloy knob cap Good hand . High-power high-temperature resistant iron-silicon aluminum magnetic ring inductor. Made of high quality materials, durable. Product parameters Product name: boosting power supply Product Model:XY-SK35H Input voltage: 5.0~30V Output voltage: 0.6~30V Output current: 0~4.0A Output power: natural heat dissipation 35W plus air-cooled heat dissipation 50W Voltage resolution: 0.01V Conversion efficiency: 88% or so Voltage accuracy: 0.5% + 1 word Current accuracy: 0.5% + 3 words Current resolution: 0.001A Soft : Yes Protection mechanism Input anti-reverse connection: Yes Output anti-backflow: Yes Input under-voltage protection: (4.7-30V adjustable, default 4.7V) Output over-voltage protection: (0-32V adjustable, default 32V) Output overcurrent protection: (0-4.2A adjustable, default 4.2A) Output over power protection: (0-51W adjustable, default 36W) Over-temperature protection: Yes, default 95 Timeout protection: (0-100H adjustable, default off) Overcapacity protection: (0~9999AH adjustable, default off) Super energy protection: (0 ~ 9999WH adjustable, default off) Size:79 x 43 x 25MM Material: Plastic colour: black Package Contents: 1 x Voltage Converter Only the above package content, other are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real . The measurement allowed error is +/- 1-3cm.