Task light, emergency light, overhead light, Luci Core does it all. With its adjustable arm, you can direct light however you choose for up to 12 hours on a single charge. This rechargeable solar lantern shines wherever you need it, and makes a perfect addition to your StayBag™.. Details:. Adjustable silicone arm. 40 lumens. Cool white LEDs. Portable and lightweight. Lasts up to 12 hours on a single charge (see details under "tech specs" below). Recharge via solar panel or quick charge via USB. Perfect for:. blackouts. storms. emergency preparedness. roadside. garage. camping. hiking task light. reading light