... , toughened glass, die-cast aluminum 3, 40W-80W lamp fixture ilow frequency fixture lamp induction lamp fixture 1, street, garden, square, highway lighting2, toughened ... ring, the protection grade is IP657Suitable for HB 40-400W square induction lamps, with those characteristics, high luminous efficiency ... flickering, low loss, and constant power. low frequency fixture lamp induction lamp fixture