Halcyon Focus 2.0 Dive Torch (5.2Ah)Halcyon Focus 2. 0 Primary Light (5. 2Ah Battery, Std Cord) Powerful Illumination: ~80,000 lux at 1m, offering exceptional brightness for all dive types. Adjustable Beam: Easily switch between intense narrow focus and a wide beam for video or general lighting. Extended Burn Time: Approx. 2. 5 hours on high, 5 hours on low with the 5. 2Ah Li ion battery. Dual Power Settings: Choose between high and low power to manage brightness and battery life.