... 2500LM 4, CE & RoHS certificates led down light 30w 20w led ceiling lights VoltageAC85-220VPower frequency50-60HZTHD<9 ... pollution ,high directive and uniform brightnessHigh power led 30W Intigrated circuit led.Constant-current source, instant start, the ... housing , corrosion-resistant .and anti-rust1) JINSHUO LED lights has longer operating life (up to 50, ... dimension: Ø230 X H 100 MMHole cutting: 210mm