For more information on the scope of application: Home Lighting Angle: 120 degrees chip: Epistar Product Features: High brightness Frequency (Hz): 50/60Hz input voltage (V): AC85 - 265V LED Light Source: SMD2835 life time: 30,000 hours Lumen (lm ): 7450 - 580LM Power: 9W Dimensions (MM): 200 × 200mm thickness (MM): 9.5 毫米 thin Epistar 200 × 2009W square LED panel light 120 degrees 7450 - 580LM9.5 mm 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