Maximum 500V DC and 500V AC. Maximum: 600V DC and 600V AC. DC current: 200u-2000uA-20mA-200mA-10A. Resistance: 200-2k-20k-200k-2000k. Maximum input: 600V DC, 600V AC. Manufacturer: LASER TOOLS. Once that option is no longer available, we may not be able to cancel anymore, however, and as long as we haven’t processed your order yet, we will do everything we can to stop your order.