Gold Magic Spiral recovery system. Recovers all sizes of gold -- from flour gold to nuggets. Prospect Dry, Prospect Wet. Fine Gold Recovery from Black Sand. Includes 12-volt battery. Runs 16 hours on Charge. Built-in Charger. Instructional DVD. Lightweight and portable - weighs just 10 lbs. with battery. 1 year warranty. The fasteners and pan shaft are made of marine-grade stainless steel. The motor has a permanently lubricated, sealed gear case. The built in batterycharger will recharge the battery in about 10 hours with a built-in control to prevent overcharge. See when you collect gold! The patented removable gold concentration cup allows you to pour your gold directly from the pan into your vial.