【Full Spectrum】 Through lots of experimentation to ensure that this full spectrum design promotes plant growth, Lonwon grow lights for indoor plants provide full spectrum lighting from 380 nm to 780 nm (including UV 395 nm&IR 740 nm), provide everything plants desired in the natural sunlight 【Daisy Chain Function】 Great for you to simplify growing operation and management, Easy to link more full spectrum led grow lights, The power cord from package is double used for power and daisy chain, EASY to use, plug and grow 【Powerful Cooling System】 2 high-speed mute fans and upgraded 3mm thickness aluminum radiators, Holes on the aluminum plate and the glass enable the light bulb to work at 50~60℃ that is lower than other grow lamps, which could increase your lighting time and promote plant growth.