The Smith&Wesson Delta Force RM-20 LED Flashlight is highly durable and functional in any situation. At 5.31 inches long and weighing only 4.94 ounces, this flashlight illuminates up to 900 lumens in its pocket-sized design. The pic rail mount and remote cord allows for convenient use while mounted to your weapon. This flashlight also features a crenulated head for self-defense. (2) CR123 batteries included.