Features: Dinrail voltage current meter, can measure AC voltage 50500V, current 1140A. Adopting DinRail installation, convenient installation, stable performance and high accuracy. High precision, high stability, high reliability, low power consumption, small size, easy installation. Made of high quality plastic, durable & long for time service. Widely used in household, substation automation, distribution automation, testing equipment, voltage regulator. Specifications: Material: Plastic Size: 80X36X64mm/3.15x1.4x2.5in Range: AC voltage 50500V, current 1140A Auxiliary power:2 wires AC 50500V Note: Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Voltmeter Ammeter