The Kensington 33117 Travel Plug Adapter is a pocket-sized power adapter for go-anywhere convenience. This all-in-one unit provides plug adapters for use in more than 150 countries, so you never need to be at a loss for power again. The Kensington 33117 is easy to use, with slide-out power plugs that ensure you won't lose any vital pieces, in a compact, self-contained unit that eliminates any hassles. This all-in-one plug adapts power outlets for laptops, chargers, and similar devices, and features a safety release button and built-in fuse to ensure safe operation. The Kensington 33117 does not reduce or convert electrical voltage, is suitable for most consumer electronics ranging from 110-volts to Mac 275-watts, to 220-volts to Mac 550-watts. Backed by Kensington's one-year warranty, this unit weighs 0.5, and measures 1.875 x 2 x 2.25 inches (WxDxH). Please note that this adapter is not designed for use with high-watt devices such as hairdryers and irons, so users should check electronic device specifications before using.