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CrayTac® Infrared Writing Tool

CrayTac® Infrared Writing Tool

Regular price $840.00 USD
Regular price Sale price $840.00 USD
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Lightweight, easy to carry, and simple to use, CrayTac® is the world’s only reusable infrared writing appliance. The CrayTac® writing device is a pressure-activated chemiluminescence writing instrument that enhances communication in low-light and no-light conditions with the capability to be invisible to the enemy.

CrayTac® allows for limitless applications of specific messages through covert signaling. It provides a reduction in overall cost by reducing waste by 99.9%.

GSA Contract Number: 47QSWA20D000X


Paraffin Wax Crayon
Applicator: PA 12 NYLON (20% Glass-Filled Nylon)


IR Wavelength: Near IR (700-850nm)
NVG Compatibility: All generation II and III night vision systems
Duration: Writing visible for 90 minutes (+)


Height: 117.5mm (4.625 inches)
Width: 25.4mm (1 inch)
Weight: 50g (1.76 ounces)
Tensile Strength (Applicator): 7,251 PSI
Surface: Tactical Texturizing
Operation: Dial at bottom advances/retracts product


Immersion: Waterproof
Operating Temperature: -17Cº - 70º (based on wax configuration)


Ideal for clearing locations, breadcrumbing into buildings, close quarters battle, tagging, tracking and locating. CrayTac allows operators wearing NVGs to write on walls and surfaces in an “infrared ink” visible only to other team members with NVGs. CrayTac allows for dynamic team messaging and ensures effective communication between warfighters yet remains invisible to the enemy.

  • Specific messaging on any hard surface (concrete, wood, glass and metal)
  • Invisible to the naked eye, visible through all type II and III NVG systems
  • 90 minute duration once applied
  • Functional equivalent to 1,000 chemlights
  • 2,000 linear feet of writing capability


7 seconds saved (a lifetime in a firefight)

95% cost savings

99.9% weight reduction

99% less waste

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Our products are developed and rigorously field-tested in relevant combat environments by the men and women who will rely on them. We exceed the highest standards for durability and performance in order to provide demonstrated advantages across a broad array of applications.