Features: 1. Measurement function of electrical parameters (voltage, current, active power, energy) 2. Overload alarm function (increasing the alarm threshold, backlight and flashing alarm lights). 3. Power alarm threshold preset function (can set the power alarm threshold). 4. Save data when closed, large LCD screen, backlight function. 5. The screen interface is a large screen LCD screen, which can display 3 parameters at the same time. Specification: Working voltage: 80 VAC-260VAC Test voltage: 80 VAC-260VAC Rated power: 10A / 22000W Working frequency: 45-65Hz Measurement accuracy: 1.0 level Power: Test range: 0-22kW Within 1 kW, the screen form is 0.0-999.9 W 1 kW or higher with a screen form of 1000-9999 W 10kw or higher, screen form is 10.0 kW-22.0kW Energy: Test range: 0-99kwh In 10 KWh, the screen form is 0-9999Wh 10kWh or higher, screen form is 10-9999kWh More than 9999kwh will back 0 Voltage: Test range: 80-260V Screen form: 80-260V Current: Test range: 0-100A Screen form: 0.00-99.99A Notice: 1. This module is suitable for indoor use, please do not use it outdoors. 2. The requested load must not exceed the rated power. 3. The wiring sequence must not be wrong. 4. Cannot be used in some circuits, such as inverters or thyristors. Package includes: 1x multimeter 1x CT coilincludes:1x Multimeter 1x CT coil