For more information on the scope of application: Family Viewing angle: 120 degrees chip: Epistar Diameter (mm): 180 mm Frequency (Hz): 50/60 Hz Hole Size (MM): 165 mm Input Voltage (V): AC85 - 265V LED Light source: LED light, 72 lumens (LM): 600LM, 650LM Power: 10W CRI: 75Ra Home 180MM10W Epistar round LED panel light 120 degrees 165 mm 72 600LM - 650LM Quick Details:? 1?. Epistar LED chip 2. Constant 85-265V 3. Air quality aluminum die 4. Imported nano diffuse light board 5. Air quality aluminum radiator 6. Imported 2835 lamp beads 7. 3 year warranty