The 5.11 TMT PLx Penlight is designed to provide full-sized tactical lighting in a palm-sized package. Powered by two (2) AAA batteries, the TMT PLx casts a dazzling 40 meter cone of light and offers four hours of runtime on a single charge. Tough and ruggedized construction ensures lasting durability, and an integrated clip fastens securely to your shirt or pant pocket. This penlight features: brilliant 40 meter light cone, tested to ANSI FL1 standards, momentary-on switch, improved stamped metal pocket clip, water resistant construction and impact resistant to 3 meters. Material: Aluminum.