This product isn't made by Bulova. It is made by Wolf but has Bulova branding. It can run on batteries or the included external power supply. There is no programming, just a power switch. Once turned on it will wind the watch in only one direction and will pause everyday to not overwind. So far I have only used it with the batteries and not the power supply and it has been working for over a week. Keeps my Bulova ready to wear.
The branding and quality of this unit are top notch. Very happy with my purchase and recommend this product to anyone with a quality timepiece that want to showcase in their collection.