The Nightstick TCM550XLS is a Compact Tactical Weapon-Mounted Light that harnesses the power of a high-intensity LED, boasting a rating of 550 lumens. Working hand in hand with a meticulously engineered total internal reflection (TIR) lens, it projects a radiant white beam reaching up to 136 meters. This tactical weapon light is equipped with easily accessible and fully ambidextrous toggle switches at the rear, allowing for smooth operation in momentary, constant-on, and strobe lighting modes.The solid housing of the TCM-550XLS is built from aircraft-grade 6061-T6 Aluminum, complemented by a durable polymer rear housing. The package comes inclusive of four specific modular rail inserts tailored for handguns (pre-configured with a C1 insert suitable for Glock pistols). Additional accessories comprise two spare Allen screws, an Allen wrench, and a CR123 Lithium battery.