Osram Halotronic compact electronic transformer. This transformer is designed for halogen lamps and offers very low power loss, short circuit protection, and is dimmable. It features electrical isolation between the primary and secondary side, strain relief for different cable types, an extremely compact design, and high efficiency. It operates within a 230-240V AC input range and provides an 11.3V AC output. The dimensions are 108 x 52 x 33mm. It is suitable for 35-105W halogen lamps.