Detailed Description  Product Features: 1) 90 X 1w led grow light produce great effect as 400W HID grow light save 75% electriciy. 2) Lifetime reaches 50,000 hours. 3) Use only the exact spectrums (R&B) required for plant photosynthesis 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) The low heat emission eliminates the need for ducting & heat exhaust fans. 7) Environment-friendly: Dont contain the harmful substance HPS & MH have, much less hazardous waste to deal with. 8) Each light covers at least 6 to 9 square foot (0.3m-0.6m high away from plant), 120 degree beam angle insure uniform leaf coverage. 9) Ideal for all phases of plant growth, and works well with any indoor garden, whether hydroponics or soil based. 10) Different watt for your selection: 9w/15w/18w, 40W/60w/90w, 200w/250w/300w/600w  11) After-sale service: 3-year-warranty, welcome to inquiry about usage, guarantee, maintenance and other hot points. 12) OEM/ODM or customized integrated grow lighting solutions are available as well. Welcome to contact for the details.  Product Applications: Hydroponics & Horticulture & Greenhouse Lighting etc