Magnetic ballast for fluorescent tube , copper wire and silicon steel material inside low loss no noise long life 220V110V

Features:1)Metal housing2)Earth connected3)Low loss  power consumption (EEI=B2 grade)4)Glare-free and no noise,low temperature rise.

5) 220V-240V5)Specifications: 1 x 18W(20W)  1*36W (40W)6) long life: over 5 years

7) suitable for both straight fluorescent tube or circular tube