Features: 1) High luminous efficiency can reach 130Lm/W 2) Long service life: 24,000 hours on average 3) High anti-fog ability and visibility 4) Large series of specifications can satisfy all kinds of requirements 5) Note: we provide coated HS lamps with internal ignitron and bulbs 6) Watt: 70W, 100W, 150W, 250W, 400W, 600W, 1000W