Features 1.COLOR LCD DISPLAY: The watt hour meter adopts a full view color LCD display with 178 degree wide viewing angle. Built in transformer for accurate measurement. 2.ACCURATE POWER MEASUREMENT: This professional and advanced single phase home smart meter accurately measures voltage, current, power, frequency and power factor. 3.DURABLE CASE: The smart watt hour meter case is made of PC flame retardant material for high temperature resistance and impact resistance. 4.FAMILY FRIENDLY POWER SUPPORT: The single phase energy meter supports up to 22 KW of power and displays six functions on one screen. 5.WIDE APPLICATIONS: Smart watt hour meter is suitable for chemical industry, power plants, automation equipment, DOS system, electromechanical equipment and other places. Specification Item Type: Watt Hour Meter Material: PC Size: Approx. 60x54x76mm / 2.36x2.13x2.99in Model: ET32 669 Use: Chemical Industry, Power Plants, Automation Equipment, DOS Systems, Electromechanical Equipment and Other Places to Use Basic Parameters: Main Technical Indicators 1. Measurement Accuracy: 1% 2 Words AC Current: AV0-100.0A, The Resolution of Current Display Is 0.01A Frequency: 45.0Hz-65.0Hz Power Factor: 0.00-1.00PF Active Power: Measurement Range Is 0-30000W (In 0-9999.9W Between the Display Resolution Is 0.1W, The Rest Is 1W) Electricity: Measuring Range Is 0-99999kwh 0-999.99kwh Minimum Display Resolution Is 0.01kwh1000-9999.0kwh Minimum Display Resolution of 0.1kwh10000-99999kwh Minimum Display Resolution Is 1kwh 3. Measuring Speed:0.5 Seconds 4. Installation Mode: Rail Type Package List 1 x Smart Meter 1 x Instruction Manual NoteManual measurement please allow some error.