The Track heads shaver is waterproof, so you can safely use it in the shower. You will be able to monitor the battery level because the product has a modern LED display. Thanks to the integrated battery, the Philips Series 9000 Prestige SP9863/14 Wet & Dry can be operated anywhere. On a single full battery, the Philips shaver will last 60 min. This will surely be enough time for a thorough shave. The shaver is designed for wet shaving. If you find yourself pressed for time, you will definitely love the fast charging.