Accurate, in accordance with CTL voltage and time specifications. Disconnects input test voltage at positive or negative peak, normal and reversed polarity Tests Line-Ground, Line-Neutral and Neutral-Ground. Micro-controller Technology, one button test, easy setup, LCD display indicates test results. Maximum Rated Test Current 8A, 15A optional. Ergonomically designed for safety, speed and efficiency. Designed for product development, production and laboratory use. Rugged construction that can withstand a 6 drop with no damage. Cables, manual and calibration certificate included. One year warranty.