The Smith & Wesson® M&P® Delta Force® PL-10 LED Penlight both functions as a pen and an incredibly bright flashlight. It is extremely durable made with a heavy-duty aluminum construction and illuminates 105 lumens in its pocket-sized design. It features a twist-out writing point, tactical point with DNA retention and LED light. Delta Force®: The ultimate in tactical lighting design with extra durable thick-walled anodized aluminum construction for heavy-duty use in extreme conditions.