Strong, vibrant light. 3780 lumens. 0.7 year life (based on 3 hours use per day). General purpose A21. Add a decorative touch by using crystal clear bulbs in chandeliers, sconces or anywhere the bulb is visible. Let Us Show You What Light Can Do: From light that lets you see every detail to light that helps you connect with family and friends, from vibrant to gentle - our new home lighting solutions make it easy to find the right light for your home. 200-399 lumens (subtle reassuring light); 400-599 lumens (cozy relaxing light); 600-1049 lumens (comfortable, inviting light); 1050-1489 lumens (fresh, energizing light). 1490 - 5000 lumens: Strong vibrant light.