> Philips/Osarm light source come with high brightness >130lm/w, high efficiency and high quality light source;> Tempered glass panel, the rate transparent up to 93%, 1060 aluminium heatsin with “zipped fins” technology, optimized airflow ductinside the housing> Multiple adjustment points the adjustment angel up to 180°> IP67 Moso&Sosen waterproof, Isolation constant-current power supply , Dual & Active PFC, High Voltage protect, using the first-line brand components, guarantee LED lights work stably for a long time;> CE, EMC, RoHS are certificated> 50000hours usefull life