Features: Come with data hold function. Backlit design, you can use it under dark environment. ABS- flame resistant material and percision chip, making it safe to use. Can be used to measure AC-voltage, current, active-power, electric- quantity and display through LCD- screen. Long press the button for more than 3 seconds until the battery flashes, release the button and press again. Specifications: Material: Plastic Voltage-: Measuring Range: AC50V~ 300V1, Starting Voltage-: 50V Current: Measurement Range: 0~100A1, Starting Current: 0.02A Display Format: Lower Than 10A: 9.99A Lower Than 100A: 99.9A Active-Power: Measurement Range: 0-30kW1, Starting Power: 0.5W Display Format: Lower Than 10W: 9.99W- Lower Than 100W: 99.9W- Lower Than 1000W: 999W- Lower Than 10000W: 9.99kW 10000W: 30.0kW Electricity: Measurement Range: 0-1999kwh1 Display Format: Lower Than 10kwh: 9.99kwh Lower Than 100kwh: 99.9kwh Lower Than 1000kwh: 999kwh Lower Than 10000kwh: 1999kwh Size: Approx. 7.8x6.5x3.4cm/3.07x2.56x1.34in Note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Multimeter