This holder is to be used when you want to secure your Motorola ET1 and still have it easy accessable. The holder is also perfect for use in stores, at exhibitions and any place where you want to use your Motorola ET1 without having it easy removable. The holder is made of extra strong plastic and is equipped with a lock. In order to remove the Motorola ET1 from the holder you need the key, two keys are included. Fits units both with and without handstrap.