Features Large LCD Display: View voltage, current, active power, and energy simultaneously on a clear, easy-to-read LCD screen for efficient monitoring of your electrical systems Advanced Alarm Functions: Stay informed with power and overload alarms that alert you when thresholds are exceeded, ensuring your equipment operates safely Data Memory Feature: Preserve your measurements even during power outages with the built-in memory function, allowing you to track energy usage over time Convenient Backlight Control: Easily toggle the backlight on or off with a simple press of the key, ensuring visibility in low-light conditions for enhanced usability Complete Package Included: Comes with a current shunt for immediate use, saving you time and effort in setup while ensuring accurate readings right out of the box 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 pr 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: Large screen LCD displays voltage, current, active power, energy at the same time. The DC voltmeter is designed with power alarm threshold, overload alarm function. It has memory function can store measure data when power off. Short pr the key to turn on or off the backlight. Comes With a current shunt in the package, convenient for using and saving your time. Specification: 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 0.00-99.99A 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