Features: 3 types are available, 5A/30A/50A, choosing according to your needs. OOTDThe is a mini current transformer with a power cord. Using a snap common structure, it can be attached to the cable directly through nylon ties. Built-in input coil; Small and lightweight, easy to install. Fully enclosed, good mechanical properties and environmental resistance, strong voltage isolation capabilities, safety and reliability. Specification:Material: ABS Measurement: 18x5mm/ 0.7x0.19 inch Accuracy is le; 0.1 DegreePackage Included: 1x Micro Current TransformerNote: 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.