Description: This Step-down DC-DC Voltage Converter can be used for a wide range of applications.(LED Display,GPS,Speaker,Fan,etc.) Built-in over voltage, under voltage, overload, overheat and short circuit protection. Epoxy-potted, shake-, moisture- and dust-resistant. It is fully sealed in a plastic housing. Adjustment via rear-mounted trimmer. Specification: Input voltage: 12V (8V-22V) Output voltage: 5V Output Current: MAX 3A Output power:18W conversion efficiency: 96% Wire lengths: approx. 5" (125mm) Package Includes: 1 Piece step down converter