"Super Quite Motor" means a literally noise-free winder. AC and DC power supply (4.5 volt). Use it anywhere in the house or in the safe. Fuzzy logic programming - 1 hour winding with 3 hours of rest. This cycle will continue until power is turned off. Optimum 6 turns per minute. 2 user select turning direction: Clockwise, Counter-Clockwise. W1 series - Flat Rectangular Model (High Gloss Exterior Finish). Size: 4.9" x 6.9" x 5.1". Comes with one year manufacturer's warranty. Burgundy Exterior with Blue Interior.  New in box!