Features Measurement Accuracy: Digital voltmeter measurement accuracy is 1.0, working voltage is 6.5-100V DC, voltage test range is 6.5-100V DC, rated power is 20A/2000W Application: Ammeter voltmeter is only suitable for 6.5~100V DC power supply. The applied load cannot exceed the rated voltage and current. LCD digital voltage meter is suitable for indoors, not for outdoor Large-screen LCD: The voltage current meter is designed with a large-screen LCD, which can display multiple data of voltage, current, active power, and electrical energy at a glance. Backlight Function: Digital voltage volt current meter has a backlight function, short press the key to turn on or off the backlight, built-in shunt design, no need to connect, easy to use, save time Multifunctional Ammeter Voltmeter: Digital voltage volt current meter has a memory function, which can store measurement data when the power is off, and the DC voltmeter is designed with power warning threshold and overload warning functions Features: Large screen LCD displays voltage, current, active power, energy at the same time. The DC voltmeter is designed with power warning threshold, overload warning function. Digital voltage volt current meter has memory function can store measure data when power off. Short press the key to turn on or off the backlight. Built in current shunt design, convenient for using and saving your time. Specifications: Brand: PEACEFAIR Model: PZEM-031 Working 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 Power 0-2kW ＜1kW, 0.0-999.9W ≥1kW, 1000-2000W Energy 0-9999kWh ＜10kWh, 0-9999Wh ≥10kWh, 10-9999kWh Voltage 6.5-100V 6.50-99.99V Current 0-20A 0.00-20.00A 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. Packing Included: 1 x Voltage Current Meter Package List