... , Customizable 3. Flush Mounted LED Digital Panel Voltmeters Standard Features1. 0.2, 2, 20, 200, 600V AC voltage ... . All ranges factory calibrated4. 3-1/2 digit resolution to 1,999 for readout in ... 0.56 LED bar displays6. Black ABS housing with self-lock tip for panel mounting7. Able to ... 2. Customizing ranges available by users personally according enclosed manual 0.56 inch 3 1/2 digit Blue Digital ...