Battery lasts about twice as long, head rotates faster.
With included is a display that you can stick to the bathroom. I have it stuck me in the shower. The rubber seals of the cap for the battery compartment indicate that the display is sealed and protected against moisture (not splash or underwater). The appearance not to be so, the display will show after 2 weeks of use error. This can be thought of as a time when a digital watch is wet. Especially from oblique angles falling on the.
I would have expected a higher quality for the price and am not particularly happy with the product.
Too Bad.