1. 200w led grow light can replace the 600w-1000w hps , over 80% energy saving 2. Base on the 1w led chip. 3.Over 50000 hours . 4. Our common light ratio :8:1 , 7:2 , 7:1:1 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 excellently 7. Built-in power supply, ce approved, no setup required, just simpler and safer plugs directly into ac85v-264v, no reflector & ballast needed.