The SPR-216 is a 400A AC/DC True RMS Clamp Meter designed for accurate electrical measurements, including current, voltage, resistance, capacitance, frequency, temperature, and more. It features a backlit LCD display, auto-ranging, and safety protections suitable for professional use in industrial and electrical environments. The meter supports both AC and DC current measurements up to 400A, with additional functions like diode testing, continuity check, and non-contact voltage detection.