Features: This digital display multifunction power meter accurately monitors realtime energy, voltage, current, and power consumption, ideal for both household and industrial electrical systems. Features 47x24mm color screen with 3 updates/second refresh rate and ABS housing for durability in -10℃ to 60℃ environment. Perfect for electricians, engineers, and DIY enthusiasts seek reliable power monitoring tool with customizable 0-199.9A current ranges. Safeguards appliances in workshops, factories, or homes by AC60-300 volt voltage and 0.01Hz precise frequency stability via digital readings. Three selectable current measurement mode (50A/100A/199.9A) ensures compatibility with diverse equipment while maintaining industrial accuracy. Specifications: Component: ABS Outer frame size: 70x42mm Color screen display: 4724mm Voltage ranging: AC60-300 Volt Current ranging: 0-50.0A/ 0-100.0A/0-199.9A Weight: 88g/piece Display refresh: 3 times/second Frequency accuracy: 0.01Hz Opening size: 68x38mm (rectangular) Package Includes: 1 Set Single Phase Power Meter note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.