Product Features 1. Non-isolated, high efficiency, high stability. 2. Open circuit protection, short circuit protection, overload protection, overheating protection. 3. When built into a metal shell, pay attention to insulation. High temperature protection High temperature protection: When the internal temperature is too high, the power supply will cut off the output. It will return to normal after cooling. Usage environment Ambient temperature: -20℃~ +65℃ Ambient humidity: 20~ 50 RH Mechanical parameters Overall dimensions: 82*31*25MM Input wiring: Brown L Blue N Output wiring: red+black- Quality assurance: The power supply has a 2-year warranty from the date of manufacture.