The Diamond series marks a major advancement in the evolution of LED Grow Lights. Finally, a true replacement for your HPS grow lights that produces very little heat and consumes only half the power. The Diamond DS300 effectively replaces a conventional 400/600 watt HPS Grow Light while only consuming 274 watts of power. The Diamond combines an optimal blend of 11 different bands of complete light spectrum with 380/415/440/460/480/615/630/660/720/740/760nm high-output 3W LEDs that blow away the competition. The DS300 offers the perfect color blend between the HID lights of the past and the LED lights of the future. What"s more, the Diamond Series LED lights offer Dual Light Spectrums to provide the best of both worlds for vegetative growth and the flowering stage. The Grow setting uses only 100 watts to provide excellent vegetative growth in a 4" x 4" area. Simply turn on the second switch to boost the light to full capacity and modify the spectrum to encourage unbelievable flowering in the same space. The DS300 features powerful 3 watt LED Chips with Optical Lenses to penetrate deep into the canopy of your garden. The time has come to say goodbye to the HPS and MH lights of the past. The Diamond revolution has begun!!! DS300 Specs: * Distance from plants: 18 to 48 inches depending on plant type * Total Coverage Area: 16 square feet * Power Usage: 137w Grow / 274w Bloom * LED Chips: 150 x 3w (Top Quality LED chips from Bridgelux and Epistar) * Voltage: AC 85-260v * Weight: 18 lbs * Dimensions: 19 inches x 11 inches x 3 inches The DS300 can add a lot of light to your garden without using a lot of electricity. Finally, an LED that truly replaces a 400w HPS Grow Light while using only half the power and producing almost no heat. Try it and you will be amazed!!