Luzion 4 in 1 recessed Panel Light offers effective lighting solutions for hospitals, classrooms, offices. 4X1 LED recessed square panel light with aluminium housing & curve back-lit. Construction in die-cast aluminum frame. Provided with highly efficient integral constant current led driver. Applications : office, banks, hospitals, classrooms. High lumen output with controlled power. Total Current Harmonics Distortion is < 15% Very user-friendly and maintenance friendly. 2 years warranty.