Fully functional, very clean, ready to use. Pulse power supply made by Kraft Dynatronix in Amery, Wisconsin, USA. Model DuPR10-.1-.3, Part Number 999-0251-00, Serial Number 9124001. Has an Omron H3CA timer. Specifications: Output 10 Volts, AAV .1, APK .3, 115 Volts, A .5, Hz 50/60, PH 1. Acquired at auction from the Canadian Government. Device measures 12 1/2 X 7 X 11 1/2 inches.