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2. Base on  the  5mm LED chip3. Over  50000 hours .4. Our common light ratio :165:60  with the mixture of  red , blue , orange,yellow and  white lights , or  customized as your requests  5.  Blue LEDs can easily be added to enhance vegetative growth , red LEDs are good for promoting  the fruiting and flowering stage , our suggestions on the wavelength are red (620-630nm) , red(640-660nm) , blue (450-  460nm) , blue (460-470 nm) ,  You can choose the wavelength and color ratio which is most suitable for your plant growth 6. Built-in cooling system (thermostatically controlled fans ) solve the heat dissipation excellently7. Built-in power supply, CE approved, No setup required, just simpler and safer plugs directly   into AC85V-264V, no reflector & ballast needed.8.  Ideal for all phases of plant growth, and works well with any indoor garden,  hydroponics or soil based.9.  The lighting area and the height are changeable according to different plants and environments ,the same as the parameter . 10. All the raw materials meet the environmental protection requirement  without  any heavy metals , such as HG .11. Hanging kit included  .12. Three years warranty

led 14W grow lighting