Features: 1) Clear or coated glass shell2) 3,200K, 4,200K, 5,200K, 6,200K3) Wattage: 70W, 150W, 175W, 250W, 400W, 1,000W4) Base: E40 (39) or E27 (26)5) Single-ended6) Lifetime: up to 10,000hrs 7) Burners can be different types 8) Tubular/elliptical shell producing area:China payment:T/T, L/C, D/P supplying capacity:50,000pcs/month