Please note: If the ambient temperature exceeds 45 degrees Celsius, please reduce the power output,Or enhance heat dissipation. Features: over-voltage protection over-current protection over-temperature protection Short-circuit protection High conversion efficiency: Over 90 percentage Widely used in automotive, electricity, surveillance systems, railway signals, instruments and meters, LED displays (LED strip, copper LED strings) cable TV, ect Parameters: Input voltage: 1224V (Range:9 35V) DC Output voltage: 5V DC Output Current: 10A Output power: 50W Maximum working temperature: 80 degrees Celsius size:53 60 20mm Net weight: 67 g2.35oz Package includes: 1x DC 1224V to 5V 10A Converter Step Down Regulator