The Command Post Li-Ion Rechargeable Modular Worklight base is the core of the Command Post System. The durable, anodized aluminum flashlight handle base has a magnetized end-cap for easy placement on metal surfaces. Hidden behind a threaded protective sleeve is the micro USB charging port. The port contains an LED that indicates when the battery is charging and when charging is complete. The patent pending Qwik-Loc collar is designed to make changing heads a quick and easy process. The body also includes rubberized housing for durability and built in anti-roll features that help keep Command Post exactly where you need it to do your work. Compatible with STEELMAN PRO part numbers 78617, 78618, 79057, 79060, 79062, 79063, 79064, and 79067.