Features ✔ 4 Test Functions Multimeter - LCD Display Digital Multimeter Ammeter Power Meter Energy Meter with Large screen LCD displays voltage, current, active power, energy at the same time ✔ Extra Features - The DC Digital Ammeter Voltmeter Multimeter is designed with power alarm threshold, overload alarm function. Also has memory function can store measure data when power off ✔ LCD Backlight & Current Shunt Design - Digital Current Voltage Power Energy Meter Built in current shunt design, convenient for using and saving your time.Short press the key to turn on or off the backlight ✔ Specifications - ​Model: PZEM-031, Working voltage: 6.5-100V Dc, Voltage test range: 6.5-100V DC,Rated power: 20A / 2000W, ✔ Customer Service - We are committed to meeting customer demands to create the finest products. Any suggestions and request please feel free to contact us in anytime that we can try our utmost to reply in short time. Specifications: Model: PZEM-031Working voltage: 6.5-100V DC Voltage test range: 6.5-100V DC Rated power: 20A / 2000W Measurement Accuracy: 1.0 Weight: Approx. 78g Test Range Display Format Power0-2kW＜1kW, 0.0-999.9W ≥1kW, 1000-2000W Energy0-9999kWh＜10kWh, 0-9999Wh ≥10kWh, 10-9999kWh Voltage6.5-100V6.50-99.99V Current0-20A0.00-20.00A 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.Built in current shunt design, don't need to connect outside. PackingIncluded: 1 x Voltage Current Meter Package List