Folded on itself, the assist lamp fits in the hand. It is light, its hull is pleasant to touch and you can easily find the on / off button. Simply unscrew of only 1/4 turn for it opens like a devil out of the box! She reveals plasticized cloth such large screen mounted on a spring. The system is smart practice is offering two ways to use this lamp in hand or placed / hung. The grip that fits in the slot is useful for hanging anywhere. Side lighting is not bad at all. A first press of the button gives soft lighting, ideal when you wake up at night or that one does not want to wake the sleeper next door. A second pressure provides much stronger light and an additional pressure flashes. When closed, this lamp is not afraid of water if you are looking your way in the rain. Convenient for camping with his torch lamp function and combined lantern, compact, lightweight and visually ... nice! It requires 3 AA batteries not included