Candlepower
Candlepower is a unit of measurement for luminous intensity. It expresses levels of light intensity relative to the light emitted by a candle of specific size and constituents. The historical candlepower is equal to 0.981 candelas. In modern... Wikipedia
1 cp in: is equal to
SI units: 1 candela (modern definition)
Symbol: cp
Unit of: Luminous intensity
Unit system: international standard (obsolete)