... 1,Extruded aluminum alloy casing 2,Power:60W-165W,Voltage:150-265V 3:CE ROHS UL Low Frequency Long Lifespan 60W-165W Outdoor ... HPS. 2. Luminous efficacy is more than 80lm/W, power factor ≥ 0.98. Low lumens consumption. Total harmonic distortion ≤10%. 3. Excellent ... easy to take. Reducing the installing costs. The connection of low frequency bulbs and ballast can be extended, easy to install. 12 ...