... ,could be 90cm1.27PCS*1W, constant current led driver ouside,High efficiency,Lower Low energy consumption2 ... 60 HzColorRed Blueworking temperature-20°-40°Lighting area1M/24.61,1.5M/34.19,2M/50. ... directly,it is more versatile than current led grow lights5 Unique design of advanced cooling structure ... convenience.11. LED Protection System built in, if one led dead, the others still alive.12. Smaller size, ...