Din rail current voltage meter, can measure AC voltage 50-500V, current 1-140A. The use of din rail 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 and long service. Widely used in household, substation automation, distribution automation, test equipment, voltage regulator. Specifications:Material: Plastic Size: 80X36X6 4mm/3.15x1.4x2.5in Range: AC 50-500V Voltage, 1-140A Current Support Duty: 2 Wires AC 50-500V Note:Please allow 1-3cm error due to manual measurement. Pls make sure you don't mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package Included:1x Voltmeter Ammeter