Description of   ballast for 400w MH bulb

1) Main voltage:220V-240V.

2) Main frequency:50-60 Hz..

3) Low raise temperature.

4) Low power consumption

5) Providing long service life and super quietness.

6) Low magnetic leakage.

7) Material: copper or aluminum wire,silicon steel sheet.

8) TW:130

9) Certificate: CE.