Sports field lighting, HQI floodlights are more cost-effective
Metal Halide Lamp is a discharge lamp that works with AC power and generates arc discharge in the mixed vapor of mercury and rare metal halide. Why HQI lights are still needed by the industry HQI lamps are high pressure discharge lamps and have been in use since the 1960s – now. Compared with other …
Sports field lighting, HQI floodlights are more cost-effective Read More »