特點： 發光效率高，光線集中，耗電少，壽命長。光色呈金黃色，透霧能力強。適用于道路、機場、碼頭、車站及工礦照明。 Feature: High light efficiency, light concentrated, low electrical wastage, long life. The bare color shows the golden, strong fog-through ability. Apply to the road, airport, port, station, industry and mining.