Feature:1) It uses copper wires to increase its life.2) There are some insulated oil at athe bottom of the circuit board.3) The illumination raise 30%4) High power factor reach 0.95, energy saving reach about50%.5) It can avoid flash ,and works steadily, it is good for the user's eyes.6) There are many color tubes for you to choose.7) can be chosen with cover and without cover; also can be chosen with switch and without switch.