No Fan Zero Noise, large areas of the solid aluminum heat sink, special protective covers for cables, high safety performance Driver. 50% longer lifespan compared with other brand lights. Allowing you to grow with confidence.<br> The chip from Top brand Samsung special for plants grow series suitable for any voltage.<br><br> Specification:<br> Board size: 25.3in*25.1in*2.3in<br> Led type: Samsung chip<br> Led amounts: 468Pcs/per board<br> WHAT YOU WILL GET:<br> -1 Pcs Led Grow Light Board<br> -1 Pcs Driver<br> -1 Pcs A 4 Line Hanger<br> -1 Pcs Adjustable Hanger<br> -1 Pcs US plug line<br> -1 Pcs Manual<br><br> Tips:<br> ①The pracel is DIY parts, Very easy to install in , 3 step cost 1 mintues finish install, install paper inside.<br> ②Don't touch the baord when lighting.<br> Board test on outside the tempreture 55℃，Natural ventilation atmosphere test 43℃.<br> This tempreture is Much lower 20℃ than Led working should be under 70℃.<br>