250W HPS Electronc Ballast for Tunnel Lighting High Pressure Sodium and Metal Halide Lamps

Highlights:

1. Efficiency max 96%
2. THD<0.08
3. PF>0.995
4. Warranty 3 years, designlife 6 years
5. Good waterproof, shockproof. Sealability ...

Company: Zhejiang Waho Holding Group Co., Ltd.