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Mercury-9™ Multi-Purpose Beacon
SKU: 902920XXX

Mercury-9™ is a multi-purpose beacon providing Infrared and Visible Marking in one compact package. Powered by a single AA Alkaline, Lithium or Rechargeable battery, the Mercury-9 delivers Flashing and Constant ON Infrared signalling as well as Flashing visible Green or White signal in either a High or Low power mode. The beacon can be mounted to Loop Velcro surfaces such as helmets or packs with its included flex mount or integrated directly into PALLS webbing or belts using the integrated spring clip. Water resistant to 40ft | 12 meters

Light Output Color Options


Developed from the Cejay Pegasus -9™ beacon, the Mercury-9™ provides both visible and infrared marking at two different power levels. Powered by a single AA Alkaline, Lithium or Rechargeable battery, the Mercury-9™ is available in an Infrared and White version (902920IRW) or Infrared and Green version (902920IRG).

Signal operation is controlled by two large side mounted three-position slide switches that can easily be operated by gloved hands. The Mercury-9 also 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 FlexMount 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
  • Signaling Modes: Fixed Flash Rate | Constant ON | Hi / Low Brightness
  • Signaling Wavelengths: Infrared 880nm; Green 530nm; White 5000oK
  • Battery: One AA Alkaline, Lithium, or Rechargeable Battery
  • 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

Product Datasheet: pdf Mercury-9™ Multi-Purpose Beacon (578 KB)

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