Regenetron is a Solid State Digital unit. Easy to use, 5 separate settings or use 2 at a time. The Regenetron is completely different from all other PEMF machines with advanced technology. Other low magnetic output machines only deliver one frequency at a time in each program. Our machine delivers the primary treatment frequency and a sweep of frequencies. This technology provides a much more effective treatment than every other competing PEMF machine. Light weight for moving around or traveling. It is ready for 110v USA or 220v International power requirements. Weight 3 lbs. Safety tested and ready for use.