1. Test light remedy the various deficiencies, VT100 has multi-function, such as automotive voltage tester, positive and negative polarity tester, car fuse tester, signal tester, design with exquisite workmanship, practical and durable, easy to use. 2. LED digital indicator, bidirectional voltage testing 3. Large size alligator clip, switch for different three working modes 4. Replaceable test light bulb, predictable frequency 5. Steel probe protective cover, two sharp stainless steel probes 6. Only for testing 5-30V, Please make sure that the voltage value of the product to be tested is within this range before testing. 7. When the LED indicator light is bright but test light bulb is not bright, it means bulb burnt out and should be replaced.
