This document describes and provides specifications for two HID ballasts: 1) A Digital D1S D1R HID Ballast (A8073-BD1) that outputs 3200 lumens, is water and dust proof, and ultra low power consuming. It includes a 35W HID D1S slim ballast and has a one year warranty. 2) A Digital Slim HID Ballast (HD-B21) that outputs 2000 lumens, is water and dust proof, and ultra low power consuming. It includes a 21W HID slim ballast, water-tight connectors, and mounting hardware. It has a one year unlimited use warranty. Both ballasts have overload,