... , etc.specification:1. Model Number: SL-DOW-07W-XW-AN2. Power: 7W, 400~500LM3. Dimension: 205*205*120mm4. Cut/Out: ... the global universal index, lowest loss of line, circuit and power, good power factor 0.95, high brightness efficiency;5, LED light ... source of ultra high power, high brightness; lowest attenuation of brightness, extraordinary energy saving, ...