Portable Handheld Neon Tube Tester Lamp Fluorescent Light Bulb Tester With this tester, you can quickly find the reason why neon lamp does not turn on, and then repair it. This tester is powered by dry batteries, easy to use and carry. It is a great tool for repairing neon lamp. Only test for Neon Tube, Fluorescent Tube. Powered by 4 AA batteries (not included) Material: Mainly ABS