This ergonomic new high intensity model includes new features that have been requested by many dentists. An easy to use push button controls the dual intensity operation and provides for better visualization. The battery has a low level indicator, and the unit has a voltage regulator to insure constant light output. It uses 2 easily available AAA batteries. The Microlux 2 comes with either a 2 or 3mm light guide, and accepts all existing Microlux autoclaveable attachments.