Features: 1) To be used to replace mercury lamps a) HPS70W - HM80W b) HPS110W - HM125W c) HPS215W - HM250W d) HPS360W - HM400W 2) Advantages compared with mercury lamp: a) With higher luminous efficiency b) Longer service life 3) Watt: 70W, 110W, 215W, 360W