Fluke lvd1 volt light non contact ac voltage detector fluke fluke lvd1 a non contact ac voltage detector and led flashlight from fluke combined in one compact easy to use design the detector has dual sensitivity with the voltage detector glowing blue when it s near ac voltage and glowing red when it is at the source and will detect voltages from 40v ac to 300v ac the ultra bright white led has a 100 000 hour bulb life and the integral clip allows the voltage detector and torch to be se