Features: 1. Multifunctional Meter: Multi-parameter function, can be used to test voltage, current, power, power factor, energy and frequency simultaneously. 2. LCD Screen: Equipped with a large LCD screen that clearly and directly displays current data, with a backlight function. 3. Safety Assurance: Built-in overload alarm function, when exceeding the power alarm threshold, the backlight and power will flash for alarm. 4. High Performance: You can use the button to reset the power and save data when the power is off without data loss. 5. Easy Operation: One-button operation, easy to measure and save data and turn on/off the backlight. Description: The multifunctional meter can test voltage, current, power, power factor, energy and frequency simultaneously with LCD screen. Specifications: Model: PZEM-022M Measuring range: 0~100A Size: 89 6*49 6mm (length and width) Battery type: general Measuring accuracy: 1% Power supply voltage: 80~260V Package included: 1 pc * meter 1 pc *Closed CT Notes: 1. Please allow 0-1 inch error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated the same, item color displayed in photos may be showing slightly different.