The ECO-BAL700TD emergency ballast is designed to work with fluorescent fixtures, supporting one or two lamps with a maximum output of 700 lumens. With universal 120/277V input, it includes a 3.6V NiCd battery, a time-delay feature, and is compatible with various lamp types including T5, T8, T12, and CFL. Its durable steel housing can be mounted inside, on top, or remotely.