Active Power: 0-45000W; display accuracy is 0.1W when active power is between 0 and 9999.9W Electric Energy: 0-999999kWh; display accuracy is 0.01kWh when energy is between 0 and 999.99kWh, 0.1kWh when between 1000.0 and 9999.9kWh, and 1kWh when between 10000.0 and 999999kWh Installation Size: 76*39mm Auto-saving: When powered off, electric energy data is saved and will continue to accumulate when power is restored Voltage Range: AC 80.0-300.0V or 200.0-450.0V (select appropriate meter type at time of order) Current Range: AC 0-99.99A, minimum resolution 0.01A; or AC 0-40.00A, minimum resolution 0.01A Frequency Range: 45.0Hz-65.0Hz Power Factor: 0.00-1.00PF Color: Black Material: ABS + electronic components Dimensions: 79*43*48mm Package Contents: 1 x Meter 1 x CT 1 x Instruction Manual Note: The package includes only the items listed above. Other items are not included. Note: Lighting and display differences may cause slight variations between the product color in images and actual color. Measurement error allowance is +/-1-3cm.