Yield Lab 400W HPS+MH Cool Tube Hood Reflector Grow Light Kit EXTRA LARGE REFLECTOR: Featuring the cooling benefits of the standard glass cool tube but as a bonus the extra large reflector boosts the footprint drastically. Increasing your light coverage while providing unsurpassed light cooling. INCLUDED COMPONENTS: 1x Yield Lab 400w digital dimmable ballast 120~240V (120V power chord included), 1x Yield Lab 400w metal halide bulb (MH), 1x Yield Lab 400w high pressure sodium bulb (HPS), 1x Yield Lab Cool Tube Hood Reflector, 1x ratchet light hangers, 1x FREE BONUS Analog timer HIGH PERFORMANCE SUPER LUMEN BALLAST: Featuring dimming control you can effectively reduce lumen intensity and heat as low as 50% for early stages of your plant growth as well as boost the output by 10% with the Super Lumen feature for later flowering stages. Industrial grade internal components provide steady power, increased PAR, eliminates flicker and boosted yields FREE BONUS 12 WEEK GROW GUIDE: Exclusive 12 week video guide that shows step by step instructions on how to successfully grow indoors and all the information you will ever need to grow seasonal gardens all year long or medical-grade crops. Whether your a first time or seasoned grower this guide has plenty of knowledge to offer you. The information provided is over 10 years of growing experience in just several days INDUSTRY LEADING WARRANTY AND TOP CUSTOMER SERVICE: Manufactures warranty covers your ballast for 3 years and bulbs for 1 year. Lifetime support by phone and email and 100% Satisfaction Guarantee