Why Choose SF LED Grow Light? LM301B Diodes with high energy efficiency 2.5 umol/J, provides a much longer service lifetime, you can easily save money without purchasing lights frequently and pay less in electricity bill. Sunlike Spectrum Light uniformly across the surface and deep into the roots and bottom of canopy for consistent, highest quality flowers. Glue process, electric shock proof covers on wires, SF Light takes good cares of you with more considerate design. Fanless design makes your growing life easy and quiet. Perfect for indoor plants growing. Fool-style operation, no need to assembly, simple Plug-and-play. Whether you're a growing newbie or veteran, SF Series lights will make your plants happy and yield more. Specification: Model: SF1000 DB: 0dB Veg Footprint: 3 x 3 ft Flower Footprint: 2 x 2 ft Max Yield：2.5g/watt Humidity ≤90% Lifespan: ≥50000 hours View Angle of LED：90°-120° Spectrum: 660nm,3000K,5000K and IR 760nm Frequency: 50-60HZ Input Voltage: AC100-277V Power draw:100.5W±5%@AC12 0V 98.8W±5%@AC240V 98.39W±5%@AC277V Lumen:16439Lm±5%@AC12 0V 16327Lm±5%@AC240V 16292 Lm±5%@AC277V Amp:0.8274A@AC120V 0.4246A@AC240V 0.3739A@AC2 77V Work Temperature：-4°F ~115°F (-20°C ~ 46°C) Package includes: 1 x SF1000 LED Grow Light 1 x Stainless Steel Hanger Hook 1 x Adjustable Rope Hanger 1 x User Manual for Installation 1 x Power Cord Warm Tips: 1.Do NOT touch while in operation. 2.Avoid looking directly at the LEDs. 3.In summer or other hot environment, please use a cooling fan to keep a suitable temperature for your plants.