1. Portable handheld neon tube,Powered by 4 * AA batteries (not included).
2. With this tester, you can quickly find the reason why neon lamp does not turn on.
3. Easy to use just by pressing and holding POWER button, then LED indicator and the neon tube will flash.
4. Only test for Neon Tube, Fluorescent Tube.
5. Install the batteries (pay attention to the polarity). Extend the antenna and touch it to the polarity wire of neon tube. Press and hold POWER button, then LED indicator and the neon tube will flash.
Notes:
1. DO NOT press POWER button when touch the antenna with your hand.
2. DO NOT use this item in a damp environment or with wet hands.
3. DO NOT reverse the polarity of the battery. Please install the batteries correctly before closing the cover.
4. Avoid strong vibration while using, carrying, or storing. Keep this item clean.