【Veg/Bloom switch】: Through a wide plant growth testing, the Veg/Bloom switch, was designed to provide proper light for plants in different growth stages to greatly increase your harvest. Veg switch is the blue LED and white LED only used for seed or seedling growth; Bloom switch is the red LED and white LED. For flowering, both Veg and Bloom switches can be used. | 【Full spectrum】: KingLED LED grow light provides full spectrum lighting from 380 nm to 780 nm (including UV + IR) of natural light for plants needed of all growing stages from vegetables to flowers. | 【Energy-saving technology】: Different from the traditional HPS ,Our LED plant grow lamp adopts a high-tech LED chip(double-chip 10W LED),Our 1000w LED lamp can replace the traditional 600w HPS to provide brighter light and save more electricity which also can save a lot of money for you. | 【Advanced cooling system】: Multiple high-speed mute fans and upgraded aluminum radiators enable the light bulb to work at 50°F to 60°F that is lower than other lamps. In a lower temperatures, your plant won’t be burned which could increase your lighting time and promote plant growth. | 【Professional Service】:3 years Professional Service and free return for 90 days. KingLED Laboratory has more than five years of sales with after-sale service team professional in design, sales and production for the best products and service for the majority of customers. If you have any questions, please contact us at any time, and we will reply within 24 hours and give you a satisfactory result.