Chilled Tech Growmau5 Logic Pucks V3 Mounted On 140mm Heatsinks, Led Grow Light

Chilled Tech Growmau5 Logic Pucks V3, LED Grow Lights, 140mm Heatsinks -Perfect light engines for DIY grow light builders -Samsung LM301B white diodes w/ four 660nm red diodes, efficiency of ~2.73umol @ ~64W -48Vdc Input, 2100mA Max Current -140mm red heatsinks from Chilled Tech. -Includes mounting hardware. (pictured) -Purchased new in late 2019. -Used regularly on 11hr daily on schedule for ~2yrs. -Excellent working condition. -They were always "ran soft" @ ~35W -Lab report available on Chilled Tech website. -This is the last product Growmau5 (of youtube) released while working w/ Chilled Tech. -Excellent flowering or vegetative spectrum, especially for premium quality and color expression. **These light engines require knowledge of wiring and driver selection, for DIY enthusiasts.** Price is for one light engine w/ free shipping. Nine available while supplies last. Offers considered on multiple units. Payment is preferred at time of purchase. No warranty, sold as is. Free shipping is by carrier of my choice. I typically ship the day after receiving payment excluding Saturday, Sunday, and holidays. I close my Ebay listings for purchase from Friday PM to Saturday PM every week.