Description: 90W Rectangular LED Grow Light (White Housing) Size: 400x212x62mm Power: 90W Lumens: 3650 LM Input Voltage: AC 85-265V LED Quantity: 90pcs Color Temperature or Wavelength: Red (630nm or 660nm) Blue(470nm) Orange(610nm) Warm White(4000-4500K) First Generation: 8:1 or 7:2 for Red (630nm) & Blue (470nm) Second Generation: 8:1 or 7:2 for Red (660nm) & Blue (470nm) Third Generation: 7:1:1 or 7:2:1 for Red (660nm) & Blue (470nm) & Warm White (4500K) Fourth Generation: 7:1:1 or 7:2:1 for Red (660nm) & Blue (470nm) & Orange (610nm) Fifth Generation: 3:2:1:1:1:1 for Red (660nm) & Red (630nm) & Blue (470nm) & Violet (410nm) & Infrared (740nm) & Warm White (4500K) Temperature: -20~40íµ Life time: 50,000 hours Features: 1.With rectangular shape, it is much suitable for the row of the land. Better efficiency as it is strong enough light to plants. 2.Lifetime reaches 50,000 hours. 3.90x1w led grow light produce great effect as 400W to 600W HID grow light save 75%--85% on electricity. 4.Built-in cooling system (thermostatically controlled fans ) solve the heat dissipation excellently 5.Built-in power supply, CE approved, No setup required, just simpler and safer plugs directly into AC120V/220V, no reflector & ballast needed. 6.Environment-friendly: Dont contain the harmful substance HPS & MH have, much less hazardous waste to deal with. 7.Ideal for all phases of plant growth, and works well with any indoor garden,whether hydroponics or soil based. 8.Now available with 660nm, Red is good for flowering, budding and blue is good for vegetative and, you can choose the wavelength and color ratio which is most suitable for your plant growth. 9.The lighting area and height above the plant can be changed according to different plants and environment, and also technical parameters are changed.