Battle Systems took the standard All Purpose Adhesive Light Strips (APALS) by Brite-Strike Technologies and added hook Velcro to the rear to integrate with their Marker Panel, Individual, LW Modular Signal System.
Battle Systems carries 3 APALS types: IR (Mil/LE; US Only), Red, and Green.
The Waterproof, Dustproof, and Shockproof APALS features 3 operational functions: Fast Strobe/Slow Strobe/Steady On/Off with visibility up to 1/2 mile and 80+ hours run time.