Check the listing for details. Tactical IR + Visible LED Strobe Emergency Helmet Mounted IFF Marker Light. Condition: New. Listed at 59.95 USD. DLP Tactical Emergency Helmet Mounted Strobe Marker Light Emergency helmet-mounted IFF strobe with dual Infrared and Visible strobe modes. Comes in tan or black body and green, blue or red visible strobe modes.Vibrating feedback signal positively confirms when unit is powered on. Press main power button on battery cap once to turn unit on into IR strobe mode, press mode buttons on side to switch to visible strobe mode.Powered by One CR123A battery (not included)Curved surface for helmet mounting. Can be installed on MICH / ACH, OPS-Core FAST & Maritime, Crye AirFrame, Team Wendy Exfil, or virtually any helmet on the market with hook & loop surfaceUS based and shipped from US. DLP Tactical - Separating The Operators From The Amateurs