Features The large-screen LCD simultaneously displays voltage, current, active power, and electrical energy. Short press the button to turn the backlight on or off. The DC voltmeter is designed with power alarm threshold and overload alarm functions. With memory function, the measurement data can be stored in case of power failure. A current shunt is included in the package, which is convenient to use and saves your time. Features: -The large-screen LCD simultaneously displays voltage, current, active power, and electrical energy. -Short press the button to turn the backlight on or off. -The DC voltmeter is designed with power alarm threshold and overload alarm functions. -With memory function, the measurement data can be stored in case of power failure. -A current shunt is included in the package, which is convenient to use and saves your time. Specifications: Brand: PEACEFAIR Model: PZEM-051 Optional Pattern: 50A Current Shunt, 100A Current Shunt Working voltage: 6.5-100V DC Voltage test range: 6.5-100V DC Rated power: 100A / 10000W Measurement Accuracy: 1.0 Weight: Approx. 137g Note: This module is only suitable for 6.5~100V DC power. This module is suitable for indoor, not outdoor. Applied load cannot exceed the rated voltage and current. The wiring order cannot be wrong. Packing Included: 1 x Voltage Current Meter Package List