Compact Pen Design: This digital multimeter features a lightweight pen shaped body for easy to grip and portability, making it ideal for quick electrical measurements on the go Auto Ranging Smart Detector: Automatically identifies measurement functions without manual ranges switching, ensuring easy operations for both beginners and professional Backlight Display: Features a clear backlight screen for easy reading in low light conditions, with color indicators for different voltages states Rechargeable Type C Convenience: Powered by a 400mAh lithiums battery with Type C charging, eliminating the need for batteries while offering usability Multifunction Electrical Testing: Measures voltages (0-520V), resistance (0-19.99MΩ), capacitance (1nF-1999μF), continuity, and diodes, with added NCV not voltages detector and live / neutral wire judgments, Manufacturer: carotoe