Check the listing for details. Reed CC-421 Dual Range Voltage and Current Calibrator. Condition: Used. Listed at 149.99 USD. This is a Reed CC-421 Dual Range Voltage and Current Calibrator, 199.9mV DC Voltage, 24mA Current. this Reed CC-421 Dual Range Voltage and Current Calibrator, 199.9mV DC Voltage, 24mA Current is previous store return look like been used still look pretty good condition as you can see in the pictures. it has been verify it turns on, it require 1x 9V battery to operate, battery not include. please refer to the pictures for more information and its condition. International Buyers – Please Note: Import duties, taxes, and charges are not included in the item price or shipping cost. These charges are the buyer's responsibility. Please check with your country's customs office to determine what these additional costs will be prior to bidding or buying. if you have any question feel free to email me, thank you. Check out my other items!