GHodec Grow Light with Stand 5500K 1.Red 620-675 nanometers: 675 nanometers is the peak wavelength for photosynthesis and photoperiodism. Red light is best for blooming and fruits. 2.Sunlight White (Full spectrum): Daylight White increase light intensity and enhance photosynthesis,it is similar to the natural sunlight and ideal for all sorts of indoor plants at all growth stages. Specifications: Wattage: 80W Lifetime: 30,000 Hours Charging line length: 80In Timing setting: 4H/8H/12H Body Material: Iron+Aluminum 5 Levels Dimmable:20-100% Color temperature: 5000-5500K LED Chips/Bar: 16 White + 4 Red Adjustable Tripod Stand Height: 15.7In-47.2In Certification: RoHS CE FCC Features: 1. 5500K White & Red Blue Spectrum: A mix of Red+Blue+Warm White is best to fuel the growth of your plants. Full Spectrum(380nm-800nm):Suitable for all plants to root and sprout. Red(660nm)+Blue(460nm) Spectrum: for blooming and fruits . 2. 4/8/12H Timer: with 3 options that is 4Hrs or 8Hrs or 12Hrs, it is based on a 24 hour cycle from the time you set the timer. As the following schedule: 4 hours - 4 hours on, 20 hours off 8 hours - 8 hours on, 16 hours off 12 hours - 12 hours on, 12 hours off For example, when keeping power ON, if you select 8 Hrs, it will turns ON for 8 hours per 24 hours.The other two timer settings are the same. Package: 1 x Stand 1 x Adapter(5V*2.4A) 1 x Grow Light with Controller 1 x User Manual Install: Step 1: Stretch the rod up/down or continue to rorate the button counter clockwise until you reach the height you want. Step 2: Place the plant light on the stand , until the plant light is fully seated and rotated clockwise until it is secure. Step 3: Sturdy Gooseneck allows you to place the plant light in any direction to provide the best lighting angle for your plants coverage around the plants. Step 4: Connect the adapter to the power supply and press the controller to turn on/off/change modes/adjust brightness/set timing function.