A multi-function flashlight device in one preferred embodiment comprising a housing assembly having a tubular member for gripping the device in a user's hand, a control housing coupled to the tubular member, and a lamp housing coupled to the control housing and having a light source mounted therein....http://www.google.com/patents/US7510294?utm_source=gb-gplus-sharePatent US7510294 - Flashlight system and method of using same
