MarsHydro LED Grow Light 300W 600W 1200W Full Spectrum for Hydroponic Indoor Plants Growing Veg and Flower Booming Light for Growing: provides full spectrum for vegetables, flowers and aquatic plants. Take care of all stages of plants growing. ENERGY-SAVING: Consuming only 132watt10% with the same effect of typical 150W hps or HID grow lights. Enough for 2 X 2 growing area. Using 4 Mars 300 watt led grow lights will be perfect for a 4 X 4 cu. ft. area. SAFE to USE: plug in and turn on. With the design of separate integrated circuit board and heat sink, damage of one component will not cause fatal problem to the whole set. The high speed heat dissipating fans work efficiently to cool down the Lights and make no noise. Application: This plant growing light can be used for both hydroponics and plants in soil, such as tomatoes, potatoes, pepper, lettuce, etc. Suitable for all indoor growing environment: grow tent, grow room, etc. Satisfaction Guarantee: 3 years authentic warranty with the support of service center in California in July 2018. 30 days money back if light had any problem. Within 1 year, the shipping fee and replaced parts fee is free. From 1 to 2 years, youll be responsible for shipping charges and replaced parts is free. From 2 to 3 years, youll be responsible for shipping charges and handling fee. If you have any other questions please contact us. We will reply to you within 24 hours. MarsHydro led grow lights are the gains of 8-year continuously research and testing, and its primary goal is quality control. Mars 300W led grow light has beenaccepted by more than 10 thousand growers because of its stablequalityin last 3years. This grow light provide indoor plants with full spectrum, and satisfy their light needs at all growing stage. All MarsHydro grow lights will be tested for 48 hours before packaging to decrease defective rate, and provide customers with good purchasing experience. Extremely bright, dont look directly,please wear your sunglasses when looking at it. Indoors useonly,not water-proof Stop using the light when the fan stops spinning. Maintain stable voltage to avoid any damaged to light fixture. 1 MarsHydro300 led grow light 1 Power cord 1 pair of Steel hanging kits