Features Multi-function Electrical Appliance Tester: Measure voltage, current, power, and electric quantity, offering comprehensive electrical parameter testing for your convenience. Voltage Alarm with Backlight: Receive alerts for over-voltage conditions, with backlight and power flicker prompts, ensuring the safety of your electrical systems. Power Button Reset Function: Easily reset the power button and adapt to poor lighting situations for hassle- . Power-off Data Saving: Prevent data loss during power outages with the built-in function, ensuring your test data is always secure. Large-screen Full Display: Enjoy the convenience of a large LCD screen displaying voltage, current, power, and energy simultaneously for easy monitoring. Specification: Condition: Brand New Item Type: DC Current Voltage Meter Material: ABS Working Voltage: 6.5~100VDC Test Voltage: 6.5~100VDC Rated Power: 20A / 2000W Measurement Accuracy: Level 1.0 Display and Button Display Interface: The large LCD screen displays the voltage, current, power and power parameters simultaneously. Display Format: 1. Power: Test range 0~2kW The display format within 1kW is 0.0~999.9W; The display format above 1kW is 1000~2000W. 2. Electricity: Test range 0~9999kWh The display format within 10kWh is 0~9999Wh; The display format above 10kWh is 10~9999kWh; 3. Voltage: Test range 6.5~100V Display format 6.50~99.99V 4. Current: Test range 0~20A The display format is 0.00~20.00 Button: 1. Control of the backlight The backlight can be turned on or off by short pressing the button, and the poor light state is automatically saved when the power is turned off. 2. Reset the battery Step 1: Press and hold the button until the ''CLr'' character is displayed in the power display area, and then release the button; Step 2: At this time, the battery flashes to indicate that the battery is currently reset. If you press the button again for a short time, the power data is cleared and reseted and flashing; Step 3: If there is no pressing within 5 seconds, it means that the power data is not reseted and exits the reset state. 3. Voltage alarm value setting Step 1: Press and hold the button until the ''SET'' character is displayed in the power display area, and then release the button; Step 2: After entering this state, the current high voltage alarm value is displayed in the voltage area, and the current low voltage alarm value is displayed in the current area, and the lowest digit starts to flash. At this time, you can ''+1'' this digit by short pressing the button. When it is over 3 seconds, it will automat Package List 1 x DC Current Voltage Meter 1 x Instruction Manual