LED Recessed Indoor Lighting Downlight Round Energy Saving High Brightness Panel Lamp 1. Voltage: AC 220V 2. Power supply: two-wire input (blue zero wire, brown fire wire) 3. Number of lamp beads: 2.5 inch: 7LEDs; 3.5 inch: 22LEDs; 4 inch: 30LEDs; 6 inch: 50LEDs; 8 inch: 72LEDs 4. Luminous color temperature: 3000K6000K 5. Color rendering index: 85+ 6. Luminous angle: 120 degrees 7. Case material: AL + PC 8. Panel diameter: 2.5 inch: about 9.5cm; 3.5 inch: about 11.8cm; 4 inch: about 14.5cm; 6 inch: about 18.5cm; 8 inch: about 22cm 9. Thickness: about 2.7cm Features: 1. No strobe design, safer, soft light, delicate and uniform, comfortable and not astringent eyes 2. Color rendering index of 85 +, high reproducibility, bright and shiny colors 3. 2.7cm slim lamp body, easy to deal with a variety of high and low ceilings 4. Highly transparent mask, bright light, large wide-angle irradiation, light color uniformity and not harsh on the eyes 5. High-performance thermal conductive aluminum heat dissipation, fast heat dissipation, 360 degrees multi-directional heat dissipation 6. Strong spring buckle, more solid, anti-dislodgement, anti-corrosion and anti-rust, long-term use without deformation 7. Dense arrangement of lamp beads, low energy consumption, high brightness 8. Fixed sealing outlet, safe and stable 9. Aluminum shell, bright light, stable performance, high temperature resistance