Halcyon Photon and Mini Photon Lights The Halcyon Photon Light 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 Halcyon Photon easy to use in any environment. Its aircraft-grade aluminium body, triple O-rings, and tempered glass lens ensure long-lasting performance. Compact Power, Built for Any Dive Engineered for consistent brightness, the Halcyon Photon features regulated output, overheat protection, and reverse-polarity safeguards. You can choose between alkaline or lithium-ion configurations to match your runtime needs. Both Photon and Mini Photon include a dedicated engraving area for personalised marking. Beam angle: Narrow 9° LED: Cree XM-L2 (U4) Output: Up to 1200 lumens Dual power settings Regulated output for stable brightness Overheat protection Reverse polarity protection Twist On/Off activation Triple O-ring sealing — waterproof to 200m AL6061-T6 aircraft-grade aluminium Type III military-grade hard-anodised finish Tempered glass lens Photon details 2× Li-ion 26650 (optional): High 1200 lumen ≈ 3hrs 30min / Low 550 lumen ≈ 7hrs 3× Alkaline C (included): High 850 lumen ≈ 3hrs 20min / Low 550 lumen ≈ 5hrs 30min Length 21cm, Head width 5cm, Body width 3.5cm Mini Photon details 1× Li-ion 26650 (optional): High 1200 lumen ≈ 1hr 45min / Low 550 lumen ≈ 3hrs 30min 3× AAA alkaline (included): High 850 lumen ≈ 1hr 40min / Low 550 lumen ≈ 2hrs 45min Length 14cm, Head width 5cm, Body width 3.5cm Note: performance may vary based on battery type, environment and user habits.