ELEMENT Airsoft Tactical Helmet Accessories Waterproof E-Lite V-Lite Blue Safety Strobe Blink Signal Light Element E-Lite is an Advanced Identification Marking Module(AIMD), identify your teammate at night battle, a safety signal and direction pointer at night walk Tactile switch modes: ON/BLINK/OFF; Run time: 120+ hours Housing is flat and flexible, which forms to the curvature of the users helmet, reducing snag hazards during parachute operations, includes plastic sleeve with velcro backing and lanyard Can attach on any cloth or BDU with velcro on backside 10-15 working days to United States; Originally listed and shipped from Actack Inc