Please note: If the ambient temperature exceeds 45 Degree C, 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 Percent 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: 12V/24V DC Output voltage: 5V DC Output Current: 3A Output power: 15W Maximum working temperature: 80 Degree C size:53 60 20mm Net weight: 67 g / 2.35oz Package includes: 1x DC 12V/24V to 5V 3A Converter Step Down Regulator