The SF-GlowR80 LED Grow Light (650-665nm) boosts photosynthesis during flowering and fruiting, ensuring strong plant growth. Wattage – 80W (40W Each Light Bar; 2 pcs) Light size: 3.22ft*0.15ft*0.12ft (1PCS) Max Daisy Chain Number: 8 Single Bars (110V)/ 16 Single Bars (220V) GlowR80 is Suitable for above 500W light as a reference. (SE7000 /G8600 /G1000W / SE1000W), it can also be horizontally or vertically hung separately for any grow space. Designed to fit most lights for added safety and ease of use. SF-GlowR80 User Manual