Detailed Product Description This neon-electroscope is High-Grade display testing meter, appliable for directly detection of 12-220V zero line, indirect detection of DC, AC power inner conductor, phase conductor and break-point detection.AC/DC voltage test range: 12, 36, 55, 110 to 220VSize: Diameter3x142mm1. Press Direct Measuring electrode A to directly measure AC voltage.2. Press induction ...