No everyday carry is complete without the perfect keychain companion. The A3 Series Embrite™ Glow Fob is the aluminum version of our signature glow-in-the-dark keychain accessory, built around our proprietary Embrite™ glow pellet. Using TEC Accessories' exclusive Embrite™ technology, this rugged fob delivers the brightest and longest-lasting GITD performance in a compact, durable design. Whether you're navigating low-light environments or just want your gear to stand out, the A3 Series Glow Fob is made to shine - literally. The A3 Glow Fob features a precision-machined, lightweight aluminum housing with a durable black anodized finish that protects the glow core and stands up to daily wear. Inside, our proprietary Embrite™ pellet charges when exposed to sunlight or UV light, then glows for hours - up to 12 hours on a full charge. The brighter and longer the exposure, the more intense and long-lasting the glow. This is cutting-edge glow technology that outshines and outlasts anything else on the market. Clip it to your keys, zipper pull, backpack—anything you want to spot in the dark. This fob makes it easy to find and hard to miss. TEC-A3 Glow Fob Features: Aircraft grade aluminum construction Black anodized (Type II) finish Cutting-edge Embrite™ technology will outshine anything on the market (up to 12 hours when exposed to sunlight/UV light) Perfect for indoor and outdoor use What you get: (1) A3 Series Embrite™ Glow Fob (1) 11.1 mm [7/16"] diameter split ring (1) Snap clip for attachment to other items Packaged in a foam-lined case Glow Pellet Options: The A3 glow fob comes with a green Embrite™ glow pellet, which is the brightest, longest lasting glow material available. Not into green? We have other options if you want a different look, check out all of our available Embrite™ replacement glow fob pellets here! Specifications The A3 Series Embrite™ Glow Fob consists of a custom manufactured glow pellet inserted into an outer metal housing for protection and durability. Housing: Material: Aircraft grade aluminum Finish: Type II black anodize Outside Diameter: 9.0 mm [0.35"] Overall Length: 40.0 mm [1.58"] Total Assembled Weight: 3.2 grams [.11 oz] Internal Glow Pellet: Proprietary Embrite™ Compound Outside Diameter: 6.35 mm [1/4"] Overall Length: 28.6 mm [1-1/8"] Glow Color: Green Properties For detailed information about our Embrite™ glow in the dark material, please refer to our Technical Bulletin.