Sun Blaze? T5 LED fixtures are equipped with 41 watt AgroLED? iSunlight? lamps. These lamps produce an amazing 4,900 lumens with a 5500? K lamp color that is ideal for propagation and vegetative plant cycles. Sun Blaze? LED fixtures feature an advanced reflector design that delivers excellent reflectivity and diffusion. White powder-coated steel housing is louvered for cool operation. The Smart Volt? electronic 120 to 277 volt ballasts are energy efficient and high output. Hang vertically or horizontally. 12 ft, 240 volt power allows for easy operation. Environmentally friendly, mercury-free AgroLED? iSunlight? lamps reduce electricity consumption by up to 25% compared to traditional T5 lamps. This high-quality light source provides excellent, on-target light output. Features eco-friendly recyclable packaging. One year warranty on lamps.