Digital multimeter: This energy meter can simultaneously measure and display voltage, current, active energy frequency and power factor. With split current transformer, more convenient to install. Overload alarm function: the backlight and power supply flash simultaneously to trigger an alarm when the overload is exceeded. predefined value. You can preset the power limit by yourself. Automatic data storage function: The latest test data is stored automatically in case of sudden power outage. Don't worry about data loss due to sudden power outages. One-key control: The button can be used to control the backlight, power reset power, power limit and preset power. alarm. LCD screen: large LCD screen with 180 view, blue backlight can be turned on/off manually. < p> Main function: 1. Function for measuring electrical parameters (voltage, current, active power, energy, frequency, power factor) 2. Overload alarm function (overpower alarm threshold, backlight and power flashing for alarm). 3. Power alarm threshold preset function (can set the power alarm threshold). 4. Energy can be reset using the key. 5. Store data when power off. 6. Large LCD screen 7. Backlight function. Parameters: 1. Power: test range: 0~22000W, starting measurement power: 0.5W 2. Energy: test range: 0~999kWh 3. Voltage: test range: 80~260 V 4. Current: test range: 0~100A, starting measurement current: 0.02A 5. Frequency: test range: 45 ~ 65 Hz 6. Power factor: test range: 0~1PF Package includes: 1 x LCD digital display multimeter become very rich