<p>Input voltage: 6-36.00V; Output voltage: 0.5-36.00V</p> <p>Output current: SK40: 0-4.5A; Output voltage accuracy: \u00B10.3%+3 words (can be calibrated)</p> <p>Output power: SK40: 40W; Output current accuracy: \u00B10.5%+3 words (can be calibrated)</p> <p>Voltage resolution: 0.01V; Current resolution: 0.001A</p> <p>Data group storage: 11 groups of silicone rubber keyboards: 5</p> <p>Product name: CNC DC buck-boost power supply</p> <p>Product model: -SK40</p> <p>Screen size: Upgraded 1.8-inch large screen, 36x29mm visual range</p> <p>Buzzer: Yes</p> <p>Conversion efficiency: about 88%</p> <p>Soft start: Yes</p> <p>Product weight: SK40: net weight 103g</p> <p>protection mechanism:</p> <p>Input anti-reverse connection: yes</p> <p>Output backflow prevention: yes</p> <p>Input undervoltage protection (LUP): 5.5-35V adjustable, factory default value 5.5V</p> <p>Output overvoltage protection (OUP): 0.5-37V adjustable, factory default value 37V</p> <p>Output overcurrent protection (OCP): SK40: 0.001-4.6A adjustable, factory default value 4.6A</p> <p>Output over-power protection (OPP): SK40: 0.01-41W adjustable, factory default value 41W</p> <p>Over-temperature protection (OTP): 30\u2103-99\u2103 adjustable, factory default value 90\u2103</p> <p>Overtime protection (OHP): 1-99 hours and 59 minutes, factory default is off</p> <p>Over capacity protection (): 0.001-9999Ah, factory default is off</p> <p>Overpower protection (OPH): 0.001-4000KWh, factory default is off</p> <p>Colour:grey</p> <p>Material:abs</p> <p>Size:SK40:83x48x29.4mm. (Height does not include rotary encoder)</p> <p>Package Contents:</p> <p>1 * buck boost converter</p> <p>Only the above package content, other products are not included.</p> <p>Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.</p>