Key features: 70 MHz bandwidth User-selectable attenuation settings of 100:1 or 1000:1 Rated to measure differential and common mode voltage up to ±7000 V at 1000:1 mode Powered by included 4x AA batteries or USB host port of scope or PC Included accessories: Two safety hook tips Two high-voltage alligator clips Compatible oscilloscopes: Compatible with any oscilloscope with 1 M? BNC input Use the N2891A 70-MHz high-voltage differential probe to make safe and accurate floating measurements with an oscilloscope. The N2891A differential probe allows conventional earth-grounded Keysight oscilloscopes to be used for floating signal measurements of up to ±7000 V of differential and common mode voltage. The probe is compatible with any oscilloscope with 1 M? BNC input. The probe power is supplied by included 4x AA batteries or USB host port of the scope or PC via a supplied USB power cable.