La description

Frequency bandwidth: DC to 15 MHz Maximum continuous input range: 1000 Volts Attentuation Rations: 100:1 or 10:1 Functions with Digital Oscilloscopes, ScopeCorders and other waveform measuring instruments.
Input attenuation ratio: switch between 1/10, 1/100 Maximum allowed differential voltage: ±500V (DC+ACpeak) or 350 Vrms (1/100) Maximum common mode input voltage: ±500V (DC+ACpeak) or 350 Vrms (1/10, 1/100)''