DC6‑36V to DC0.5‑36V 40W Buck Boost Converter 1.8in LCD Display Adjustable DC Step Up Down Power Supply Item Type: Buck Boost Converter Material: ABS, Silicone, Aluminum Alloy Input Voltage: 6-36V Output Voltage: 0.5-36V Output Current: 0-4.5A Output Voltage Accuracy: ±0.3%+3 digits (calibratable) Output Power: 40W Current Resolution: 0.001A Data Group Storage: 11 groups Screen Size: 1.8 inch upgraded screen, Approx. 36 x 29mm / 1.42 x 1.14in visible area Conversion Efficiency: Approximately 88% Buzzer: Yes Soft Start: Yes Safety Mechanism: Input Reverse Connection Safety: Yes Output Anti backflow Safety: Yes Input Under Voltage Safety (LUP): Adjustable from 5.5-35V, default value 5.5V Output Over Voltage Safety (OUP): Adjustable from 0.5-37V, default value 37V Output Over Current Safety (OCP): Adjustable from 0.001-4.6A, default value 4.6A Output Over Power Safety (OPP): Adjustable from 0.01-41W, default value 41W Over Temperature Safety (OTP): Adjustable from 30-99℃, default value 90℃ Time Out Safety (OHP): 1 minute to 99 hours 59 minutes, default value off Over Capacity Safety (AH): Adjustable from 0.001-9999Ah, default value off Over Energy Safety (OPH): Adjustable from 0.001-4000KWh, default value off