Gillette makes power razors that have the same core elements as a manual razor, but will vibrate when turned on. [The power razors require a AAA battery](/en/about-gillette/battery-usage) and can be activated by pushing the power button on the handle. The power razor will automatically shut off after 8 minutes, but can be turned on again.All power razors are Shower-safe. Additionally, all power razor cartridges are interchangeable with their base manual cartridge and in the case of the Fusion5 family of razors (Fusion5, ProGlide, and Styler), all Fusion5 cartridges will fit all Fusion5 handles.