Product descriptions from the supplier Multiple Standard Compliance: Designed to test whether footwear soles or insulation materials can withstand a given voltage value, with reference to the ANS Z41, CSA Z195, GB 12011 and ISO 20345 2011 standards. Adjustable High Voltage Output: Output voltage AC 0 to 20KV adjustable with a capacity of 0.5KVA and input voltage AC 220V, so operators can raise the voltage smoothly and test insulation materials at the required level. Precise