Features Comprehensive Electrical Measurement: Accurately measures voltage, current, active power, energy, frequency, and power factor, providing essential data for efficient energy management Overload Alarm Alerts: Features an alarm system that activates when power exceeds preset thresholds, ensuring safety and preventing equipment damage Customizable Alarm Thresholds: Allows users to set specific power alarm thresholds, offering personalized monitoring for various applications Easy Energy Reset Function: Quickly reset energy data with a simple key press, making it convenient for daily energy tracking and monitoring Data Retention During Power Loss: Automatically stores measurement data when power is lost, ensuring you never lose critical information during outages Features: 1、Safety to use, simple to connect. Reverse protection design, won't burn if connect reversely. 2、Battery symbol and voltmeter, the two display modes can be switched at will. 3、Large LCD screen display with green backlight, you can more intuitively observe how much power is left. 4、Suitable for all kinds of instruments and meters, mobile portable devices, mobile power supplies, electric vehicles, etc. 5、Adopts plastic material, portable , small size, light weight, . Specification: Item Type: Battery Capacity Indicator Material: Plastic Color: As shown in the picture Model: H6133 Purpose: Display power Working Voltage: DC10-100V Input Voltage: 6-100V Working Current: between5MA Sleep Power Consumption: 12uA (12V is for testing) Display Mode: LCD with backlight Backlight Color: Green backlight Voltage Measurement Error: 1% Environment Temperature: 25℃ Measuring Range: 6-100V Installation Method: connect the red and black wires to the positive and negative poles Package List: 1 x Battery Capacity Indicator 1 x Red and Black Wire Package List 1 x Battery Capacity Indicator 1 x Red and Black Wire