. . specialises in the design, production & sales of the world's widest range of electronic dynamo voltage regulators. Products include the DVR2 regulator which is primarily for classic motorcycle fitment, and the DVR3 & 4 regulators which suit a very wide range of dynamo equipped cars, and incorporates current limit protection.
July 2016: DRL announce higher current (30 & 40 A) and custom current limit versions of the DVR3P 'field to earth' regulator. Now all DVR3 & DVR4 regulators, Negative or Positive earth are available with up to 40 Amp output.