AIM I-prober 520 current probe. This probe works with any oscilloscope (with BNC-type probe connector) and allows you to measure currents using the H-field (contactless, does not need to be connected to the current-carrying wire). Works from 10mA to 20A range. Read more here https://www.aimtti.com/product-category/current-probes/aim-i-prober-520