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 4 parameters at the same time. Specification: Working voltage: 80 VAC-260VAC Test voltage: 80 VAC-260VAC Rated power: 20A / 4500 W Working frequency: 45-65Hz Measurement accuracy: 1.0 level Power: Test range: 0-4.5kW Within 1 kW, screen form is 0.0-999.9 W 1 kW or higher, screen form is 1000-4500W Energy: Test range: 0-99kwh Within 10KWh, the screen form is 0-9999Wh 10kWh or higher, screen form is 10-9999kWh Voltage: Test range: 80-260V Screen format: 80-260V Current: Test range: 0-20 A Display format: 0.00-20.00A 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. Package includes: 1x multimeter Package List: 1x Multimeter