The Milwaukee 2210-20 Fluorescent Lighting Tester is a new to world tool that tests fluorescent lighting fixtures and cuts troubleshooting time in half. The Fluorescent Lighting Tester delivers complete Lamp, Ballast and Pin testing. Test Lamps before or after installing and test without dismantling the fixtures. Recognized for its innovation, the 2210-20 Fluorescent Lighting Tester will dramatically improve the productivity of professional electricians and maintenance technicians. Instead of a replace and hope strategy, users can test their lighting fixtures faster and easier. The 2210-20 Fluorescent Lighting Tester solves a top residential, commercial and industrial application. The 2210-20 Fluorescent Lighting Tester contains the Fluorescent Lighting Tester, soft carry case, antenna adapter, manual, (4) AA Batteries.