A ceramic discharge metal-halide (CDM) lamp, often referred to as Ceramic Metal Halide lamp (CMH) is a source of light that is a type of metal-halide lamp which is 10-20% more efficient than the traditional quartz metal halide[1] and produces a superior color rendition (80-96 CRI).
Ceramic metal halide lights have rightfully caught fire among growers and make ideal fixtures for tent grows.
This 315W CMH Italian Vega Hood is reported to be made of 98%-reflective Italian VEGA aluminum and covering approximately 9 square feet during vegetative growth and approx. 6 square feet during the bloom phase. 
IT comes with a 8′ power cord with 3-pronged plug, compatible with Standard North American outlets (with 120V→240V adapter included).
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