DSP Ballast No need extra error canceller package out side ... less than 5.5A, normal current: 3.2A DSP ballast --- the first TRUE DSP ballast in China 1, no extra similiar error ... Technical Features1. Cold light low current, quick start light2. DSP intelligent start, no impact on light bulb, prolong the life ... without any auxiliary decoderDefective rate:less than 0.3% 55W DSP BALLAST E-mark,CE approved