Professional Clamp Meter Enhance your electrical projects with our state-of-the-art clamp meter, capable of testing AC/DC voltage, AC current, resistance, and diodes. Discover break points effortlessly with firewire and zero line recognition. The clear, bright LCD display with a green backlight ensures precision, presenting up to 1999 counts for maximum reliability. Features Wide Measurement Range: Experience comprehensive testing with NCV non-contact detection for AC/DC voltage, AC current, resistance, and diode functions. Includes buzzer measurement, firewire recognition, and zero line capabilities, accommodating various electronic components for a versatile functionality. HD LCD Digital Display: The 4-digit screen clearly presents measured values, equipped with a green backlight for easy reading in dim conditions. Includes a data hold function to maintain the current readings. 500A High Current: Measure currents up to 500A AC with high accuracy and ease, thanks to the 1.2-inch (30.6mm) clamp opening, allowing non-intrusive current measurements on a range of wires. Low Power Consumption & Auto Shutdown: Operates on 2 AAA batteries (not included) and features a power-saving auto-shutdown after 15 minutes of inactivity. Compact and Durable Design: Built with durable ABS material, featuring a smooth, ergonomic design for comfortable, one-handed operation. Specifications Material: ABS Max. Display: 1999 Counts Safety Grade: 600V CAT III Range: Auto range Power Supply: 2 * 1.5V AAA battery (not included) Operating Temperature: 0~40℃,