Gives you the ability to vary line voltage between 0~130VAC. Perfect way to safely troubleshoot power supplies, regulators, output sections, etc. Built-in ammeter shows current draw to help identify shorts before they can cause costly component failures. Replaceable fuse protection. Three prong grounded cord and socket provides convenience and safety.Specifications120V, 60Hz Output0~130VAC Current10A, 1.3KVA 10A AGC (included)