Feature: Aluminum cooling board inside the fixture Optical lens for protection & lighting diffusion-COB chips Suitable height for installation above plants: 0.3-0.6 meter Independent electrical designing for each fans and Drivers, Full spectrum from 380-700nm wavelength High PPFD output, Aesthetic designing for the fixture 50000 hours life span, High power LED chips Cree LED chip in the middle, Daisy chain for connecting Application: Grow Tent, Industry hemp growth Green house, Marijuana cannabis lighting Horticulture lighting, Indoor planting growth Hydroponic cultivation, Farming research Seeding: 20 hours/4 hours or 18 hours/6 hours Vegetable: 20 hours/4hours or 18 hours/6 hours Flowering: 12 hours/ 12 hours Basic Specification

Power	200W/300W/450W/800W	Input	AC100-277VAC
Frequency	50/60HZ	Efficiency	120lm/w
Beam Angle	120 degrees	LED	COB
IP	IP42	Life time	50000 hours

About wave: 280-315nm: UVB ultraviolet light which is harmful for the plants and cause the colors to fade 315-380nm: Range of UVA altraviolet light which not harmful for the plants growth 380-400nm: Visible light spectrum which helps the plants on processing chlorophyll absorption 400-520n: Including violet, blue, green bands, peak absorption by chlorophyll, big influence on photosynthesis-Vegetative growth Picture: Attention: Not used in a totally enclosed environment Ensure power off when install Not put the product used in the water Working temperature -20 to 50 degrees, to hot will make product be risky of failure Equipped with a special installation buckle, which can be installed on the ceiling or hoisted Do not change any internal circuits or add any wires, connectors or cables for any reason Recommendation for adjusting the height between led grow light and the plants growing stage Seeding: Height 150-160cm Vegetable: Height 120-140cm Flowering: Height 50-70cm