Cejay Mercury-9 Multi-Purpose Marking Beacon

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Cejay Mercury-9 Multi-Purpose Marking Beacon is available to buy in increments of 1

Cejay Mercury-9 Multi-Purpose Marking Beacon offers wide illumination coverage making it an ideal multipurpose beacon for a soldier combat ID marking. It’s efficient electronic design results in a small, light, and bright product, powered by single AA battery, the most available world-wide.

There are a total of 6 user selectable illumination modes. Fixed period flashing in Infrared, flashing in visible, and Infrared constant-on, all 3 at either full or low brightness. The Mercury-9™ is available in two LED color combinations; Infrared and White, or Infrared and Green.

The two large side mounted three-position slide control switches work with clear click action providing for blind operation by feel. Despite its small size, all functions ergonomically designed for one handed operation even when gloved. The Mercury-9™ ON or OFF is controlled by one of the slide switches, in addition, battery cap can be also loosened as a safety to assure that the unit cannot be turned on inadvertently. Additionally the Mercury9 includes a low power indicator alerting the user when it is time to replace the battery.

The Mercury-9™ includes an integrated locking clip for positive attachment to PALS webbing or belts. A Flex Mount is included for attaching the Mercury to helmets or flat surfaces with included Hook and Loop Velcro. Mercury-9™ high impact plastic housing and sealed electronics are engineered to withstand harsh environments as well as chemical exposure.


Weight 78 Grams | 2.8 Ounce (with battery)
Size 76mm x 38mm 28mm H | 3.0" x 1.5" x 1.1” H
Battery One AA Alkaline, Lithium, or Rechargeable Battery
Signaling Modes Fixed Flash Rate | Constant ON | Hi / Low Brightness
Signaling Wavelengths Infrared 880nm; Green 530nm; White 5000oK
Coverage 360 x 210 degrees
Switching Two Snap-Action Slide Switches for power and mode and front safety switch for visible mode lockout
Operating Life 80 Hours Hi-Brightness Flashing | 8 Hours Hi-Brightness Constant ON IR mode with Alkaline Battery.
Environmental Water Resistant 40’ | 12 Meters
Versions 902920IRW Infrared and White LEDs | 902920IRG Infrared and Green LEDs
Accessories Flex Mount with Hook pad for attachment to Loop surface


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Manufacturer Cejay
Proudly Made in the USA  US Veteran Owned Business  GSA Contract Holder: GS-07F-0042W 
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