Thunder &trade; Tsunami Exclusive Double Ended Technology 1000-Watt Complete Grow Light Fixture with 5 Manufacturer Warranty ! (BULB INCLUDED) Increased yields of 20% than standard High Pressure Sodium Fixtures. The professional fixture of choice due to its full light spectrum. Overall Size: 10.5" x 9.25" x 22" (L x W x H) / Reflector Size: 4.5" x 9.25" x 12.5" (L x W x H). Three step plug and play installation process ! A++ energy label making it the highest output and efficacy in the market. Completely sealed housing with no moving parts with grafted laser cut heat sinks -making the unit completely silent and cool in temperature. Comes combod with our Thunder Pro 1000W Digital Ballast. Controllable output switch: dim or boost your light to adjust it to changing circumstances or grow phases. These options include a dimming switch to operate the combod lamp and ballast in: 500w, 750w, 1000w, and 1150w (Super Lumen). COMPATIBLE with a 1000w Ushio AHS-DE 1000 Opti Red Bulb (BULB INCLUDED).