Bloom switch: It's red led and white led(430-740nm). For flowering/blooming, you can use both Veg and Bloom switches. Daisy chain compatible to make less cords, which can connect with another led grow lights to extent the coverage. Not more than 3 pcs lights can be connected and used together by power cords, one item working current 1.5 A. Triple-chip LEDs, which is much brighter and efficient than double chips, scientifically engineered to keep the balance of the PAR/Lumen Output and Coverage.And compares to traditional HPS/MH while consuming only 248 watts. The difference of us is that 1200w led grow light use 3 high speed cooling fans+built-in aluminium heat-sink, all of them constitute a powerful cooling system which can dissipate the heat from the lamp inside to outside efficiently, better heat dissipation than others, ensure the long lifespan and let the led grow light working in a good environment, and won't burn your plants, cool and quiet. This led grow light package includes 1200watt led plant grow light, stainless steel hanger hook, adjustable rope hanger and power cord(Same Use for Daisy Chain), under hassle-free 36 monthes service. As our valued customer, we will do our best to make sure the product you receive arrives to you on time and as expected. This item is in the category "Home & Garden\Yard, Garden & Outdoor Living\Hydroponics\Grow Lighting & Accessories\Grow Light Kits". The seller is "ya052" and is located in this country: US. This item can be shipped worldwide.