... 35w+/- 1w, efficiency is more than 83%5. more constant switch times: >100,000 times6. color temperatures: 3000k-12000k available7. output ... D2C,D2R,D2S,880,881 9. working temperature: -40+10510. reverse polarity protection: the ballast will stop working automatically when there is ... reverse polarity11. auto cut-off: once there is a short ...