The contractor will install the Emergi-lite Provider battery unit. The emergency lighting system shall consist of fully automatic equipment with two (2) emergency lighting heads. The emergency lighting heads shall require no tools for adjusting or aiming. Each unit shall contain a fully automatic, solid-state charger with test switch and AC-on pilot lights. The unit shall contain a sealed transfer circuit and low-voltage disconnect circuit. The battery unit may come with laser option designed to guide patrons through the path of egress. The unit shall be CSA C22.2 no 141.