1. Rated voltage: 100-277V 2. Power: 15W/20W/25W/35W/50W/54W/60W/80W/1 00W/ 120W 3. Number of lamp beads: 84 lamp beads of 15W, 108 lamp beads of 20W, 187 lamp beads of 25W, 203 lamp beads of 35W, 235 lamp beads of 50W, 267 lamp beads of 54W, 347 lamp beads of 60W, 80W 480 lamp beads, 100W 576 lamp beads, 120W 672 lamp beads 4. Color temperature: cool white 6000K, warm white 3000K, normal white 5000K 5. CRI: 80+ 6. Applicable lamp holder: E27 7. Lamp bead model: 2835 8. Material: aviation aluminum 9. Weight: 15W is about 72 grams, 20W is about 90 grams, 25/35/50/54/60W is about 225 grams, 80W is about 532.7 grams, 100W is about 543.9 grams, and 120W is about 547.9 grams. 10. Dimensions: 15W approximately 11×3.5 cm, 20W approximately 13×3.5 cm, 25/35/50/54/60W approximately 18.5×5 cm, 80/100/120W approximately 24×7.5 cm Features: 1. All-metal corn light, aviation aluminum, shiny, compact and light 2. Wide luminous range, sufficient luminous efficiency, wide illumination angle 3. High-efficiency heat dissipation material, aluminum forced heat dissipation, integrated heat conduction lamp body, fast heat dissipation 4. Constant current drive, stable light emission, soft eye protection, no flicker 5. Select 2835 high-brightness optical LED chip, low light decay, uniform light, high color rendering, durable