A029 AquaKnight-30W-2 LED Channels-Dimmable-for 10"~18" or 30~50cm Coral Reef Fish Tank led grow light 4x4ft for commerical grow

4x4ft for commerical grow

660nm is absorbed at higher proportion by skin tissue

Easy to install within 3 minutes

420nm Purple 430nm Indigo blueBlue(470nm)

A029 AquaKnight-30W-2 LED Channels-Dimmable-for 10"~18" or 30~50cm Coral Reef Fish Tank led grow light 4x4ft for commerical growA029 AquaKnight 30W 2 LED Channels Dimmable for 10"~18" or 30~50cm Coral Reef Fish Tank Specially designed for nano tanks. Adjustable whites and blues to customize the color and intensity. Very strong punch and affordable lights. Very quiet, with 2 fans but noise standards is lower than 44. 7 db(A). Intelligent temperature control system saves more energy for you. AquaKnight heap up and the fan starts to work. Heat down and the fan stops working. Runs