1Three-Phase current independent display, high accuracy and good stability. 24 bits High-lighted LED tube Indication, AC power input. 3The digital display makes the readings convenient and intuitive. 4AC transformer variable than can be set up, which is convenient and flexible to use. 5Wide voltage range, lightweight and practical design, it is easier to use. The GV23AT is a lightweight, practical instrument for measuring and displaying three-phase AC currents, replacing traditional pointer meters. The digital display makes the readings convenient and intuitive, and can be configured to accommodate a variety of current transformer. Features: 1. Three-Phase current independent display, high accuracy and good stability.2. 4 bits High-lighted LED tube Indication, AC power input.3. The digital display makes the readings convenient and intuitive.4. AC transformer variable than can be set up, which is convenient and flexible to use.5. Wide voltage range, lightweight and practical design, it is easier to use.6. Parameter display: L1 AC current, L2 AC current, L3 AC current, range and accuracySpecification:Condition: 100% Item Type: Current MeterCurrent: 0-9999A, error 2.5%Working power supply: AC 165 ~ 275 V, 40-70HZPower consumption: MAX 1WOperating temperature range: -20 C ~ 65 CVolume size (W * H * D): Approx. 78mm * 62mm * 76mm / 3.1 * 2.4 * 3inMounting opening (W * H): Approx. 68mm * 68mm / 2.7 * 2.7inPackage List:1 * Current Meter2 * Fixing screwNote:1. Please allow slight error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.