Reason to use CD Industries 'Electronic Ballast' eChokeTM Summary of the benefits of this new 'Electronic Ballast' technology Saving Electricity up to 50%. Saving Air Condition cold up to 15%. Instant 'flicker-free' starting (unlike older technology). Instant Start. Light start immediately Enables 'flicker-free' performance - No annoying stroboscopic effects. Low temperature operation through far greater efficiency. Lower running costs for 'same space' Air Conditioning Units. Excellent reliability during operation. Up to '50%' increase in Tube light life therefore reduced maintenance costs. Protection for malfunction