Viridian Weapon Technologies CTL, For Glock 17/18/22/23, 580 Lumen Tactical Light, Black, Includes Safe Charge Power Bank 930-0040 Don't let its tiny size fool you. The CTL is the smallest most versatile weapon light on the market today. It boasts a 525 lumen peak output plus up to 60 minutes of run time. The CTL also packs in the industry leading features you expect from Viridian such as the legendary patented INSTANT-ON tech. Introducing patent-pending SafeCharge " the gotta-have ultra convenient rechargeable power source system that is ready when you are.