Cannabis growing light

Fansless Design,Quiet&No Noise； SAMSUNG White+660nm+730nm； High Efficacy up to 2.7-2.8 umol/J； ETL, DLC, CE, RoHS Certificates； IP65 Waterproof.Silicone Coating/Lens； 0-10V RJ14 Port+Knob Dimmer； 3 Years Warranty+5 Years Extension； Covering Full-cycle Growing Stages.