Halcyon Photon Lights

The Halcyon Photon delivers impressive brightness in a compact, dependable design. With its narrow 9° beam, it performs beautifully as a primary or backup light for night, recreational, and technical dives. Dual power modes, flexible battery setups, and a simple twist-on activation make the Photon easy to use in any environment. Its aircraft-grade aluminum body, triple O-rings, and tempered glass lens ensure long-lasting performance.   Compact Power, Built for Any Dive Engineered for consistent brightness, the Photon features regulated output, overheat protection, and reverse-polarity safeguards. You can choose between alkaline or lithium-ion configurations to match your runtime needs. Each light comes with spare O-rings, a lanyard, and a travel case. Both Photon and Mini Photon include a dedicated engraving area for personalized marking. Photon light Mini Photon light  Diver using Photon in a cave Photon and Mini Photon Lights Specifications   Light Output & Beam     Beam angle: Narrow 9°     LED: Cree XM-L2 (U4)     Output: Up to 1200 lumens     Dual power settings Photon     Battery options:         2× Li-ion 26650 (optional):             High 1200 lm ≈ 3.5 hrs             Low 550 lm ≈ 7 hrs         3× Alkaline C (included):             High 850 lm ≈ 3 hrs 20 min             Low 550 lm ≈ 5.5 hrs     Dimensions:         Length: 21 cm / 8.27 in         Head width: 5 cm / 1.97 in         Body width: 3.5 cm / 1.38 in Mini Photon     Battery options:         3× AAA alkaline (included)         1× Li-ion 26650 (optional)     Output: Same lumens as Photon     Runtime: Approximately half of Photon runtimes     Dimensions:         Length: 14 cm / 5.51 in         Head width: 5 cm / 1.97 in         Body width: 3.5 cm / 1.38 in Construction & Safety     Regulated output for stable brightness     Overheat protection     Reverse polarity protection     Twist On/Off activation     Triple O-ring sealing — waterproof to 200 m / 656 ft     AL6061-T6 aircraft-grade aluminum     Type III military-grade hard-anodized finish     Tempered glass lens Included Accessories (when ordered as a package)     Travel case     Lanyard     3 spare O-rings