Features: 1. Voltage test range: AC 80 260V; current test range: 0 100 100a; power test range: 0 2222kw; energy test range: 0 9999kWh. 2. Multi-function: reset stored energy by button; store data when closed; voltage alarm function 3. It is a compact, lightweight, full-featured multimeter with a large LCD display that can simultaneously display voltage, current, active power and electrical energy. 4. Great for use with generators or solar panels, and also for monitoring accumulated energy usage in devices that are turned on and off and apparition loads 5. Over-voltage, backlight and voltage alarm thresholds will flash the alarm. It will not control or affect the load in any way. Specification: Power Test Range: 0-22kW Within 1kW, the display form is 0.0-999.9W 1kW and above, the display form is 1000-9999W 10kW and above, the display form is 10.0-22.0kW Energy Test Range: 0-9999kWh Within 10kWh, the display form is 0-9999Wh 10kWh and above, the display form is 10-9999kWh Voltage Test Range: 80-260V, Display Form: 80-220V Current Test Range: 0-100A, Display Form: 0.00-99.99A Working Voltage: 80-260VAC Test Voltage: 80-260VAC Rated Power: 100A/22000W Working Frequency: 45-65Hz Measurement Accuracy: 1.0 Product Size: Approx. 9x5x2.5cm / 3.5x2x1in Notice: 1. This module is only suitable for 80-260 V AC power. 2. The requested load must not exceed the rated power. 3. The wiring sequence must not be wrong. 4. This module is suitable for indoor use, please do not use it outdoors. Package includes: 1x multimeter 1x open current transformer Package List: 1x multimeter 1x Open circuit current transformer