... 2 Be made by some kinds of electronic components 3 Certification:ROHS Feature: -Quality electrical components, stable performance, no stroboflash, no noise; ... than magnetic ballast, needless of starter and complementaryp; -No flare, no noise, and star fast, and power factor up to 0.97; ... The case is made of cold-rolled steel, reliable, safe, and anti-rust; -Regular work voltage: 185~260V, start-up ...