OPSMEN F102 Tactical Helmet Survival Signal Lamp Explosion Flash Light

F102 "Firefly" Marker LightFEATURESF102 is a multi-function marker light which can fit in helmet, clothes and bag ,etc. Mainly used in various activities such as military training /action, outdoor sports, search and rescue, daily commuting ,etc. It will be to locate, identify and mark when using night vision or other equipment of inspection.-Colors: Green / Red / Yellow / Blue / White / IR-Output: Constant / Flash(60fps)SPECIFICATIONWeight: 23gSize: 45 x 50 x 18mmWaterproof: IPX8/Up to 10metresWorking temperature: - 20 °C ~ 60 °CBattery: 1 x CR2450 (Not replaceable)