Features 1、Large screen LCD displays voltage, current, active power, energy at the same time 2、The DC voltmeter is designed with power alarm threshold, overload alarm function 3、It has memory function can store measure data when power off 4、Short press the key to turn on or off the backlight 5、Comes With a current shunt in the package, convenient for using and saving your time Specification Features: The DC voltmeter is designed with power alarm threshold, overload alarm function. It has memory function can store measure data when power off. Short press the key to turn on or off the backlight. Comes With a current shunt in the package, convenient for using and saving your time. Specifications: Brand: PEACEFAIR Model: PZEM-051 Rated power: 100A / 10000W Measurement Accuracy: 1.0 Weight: Approx. 137g Test Range Display Format Power 0-10kW ＜1kW, 0.0-999.9W ≥1kW, 1000-2000W Energy 0-9999kWh ＜10kWh, 0-9999Wh Note: This module is only suitable for 6.5~100V DC power. This module is suitable for indoor, not outdoor. The wiring order cannot be wrong. Packing Included: Package List