FLICKER - Faulty Lamp Indicator
Test gas filled bulbs in or out of lighting fixtures!

Now there is an easy way to test gas-filled bulbs, even if they are not installed in a lighting fixture. The Flicker Faulty Lamp Indicator from GTI Products can test a variety of gas filled bulbs including fluorescent, mercury vapor, sodium, neon and metal halide lamps. Simply touch the antenna against the bulb, the bulb will flicker, indicating that the bulb is good. If the bulb does not flicker, the bulb is bad. It is that simple! Best of all, it can test bulbs that are installed in a fixture, or test stand-alone bulbs that are not installed. Use it to test bulb inventories before an installation. Use it to trouble shoot a lighting problem. Use it to test for quality assurance on an assembly line. No matter how you use it, this simple one-button test is the fastest way on the market to check bulbs at lightening speed.