These are Quality Aurora branded round electronic 35-105Watt transformers, which are equivalent to the Eagerlise SET 105CV 35-105Watt that are frequently found in BHS and ARGOS halogen light fittings They are fully dimmable with most brands of resistive and inductive dimmer switches Minimum load for dimming 35Watt Meets European Safety standards Ideal for usage in desk lamp and floor lamp bases or for low voltage plate lights Surge Protected providing increased protection against surges on mains supply, improved reliability and also a longer life Offers a 5 year guarantee