The YX-A11-R500800-R0845 Power Module is a dedicated Pearlcotton RoHS (Restriction of Hazardous Substances) manufactured by CND-tek. It is an electronic component designed for use in various electrical systems. It has an adjustable output power up to 800W, which can handle various voltage levels up to 8.45V. It also has protection against short-circuits, reverse polarity, and over temperature, as well as a built-in EMI filter for compatibility with multiple frequency sweeps. This model is RoHS compliant, meaning it meets the standards set by the European Union for the elimination of certain hazardous substances in electronics.