Very compact design. Noryl casing (heat resistant - a necessity for transformer enclosures). Capacity 2.0A at 16 Volt open circuit - and 12 Volt under load = 24VA (DC). Primary supply 110-120V. Polarized socket for MICROMOT plug. Red LED indicates readiness for use. Modern design with holes for storing bits. Foldable tool rest provides a secure place for keeping the tool ready for use.