This headlamp features a practical dual-switch design and a wealth of functional settings, making it easy to handle different usage scenarios. There are 6 modes of light ,including: High, Low, Strobe, Red, Red Flashing and Green. Specifications: High Mode: 550-Lumens / 3 hours run time / 110m Beam throw; Low Mode: 250-Lumens / 6 hours run time / 80m beam throw. High mode is suitable for operations that require strong light illumination or long-distance observation. The low-brightness mode, with soft light that is perfect for long-term lighting or creating a warm atmosphere. The strobe mode, which can be used as a distress signal in emergencies. The red light, which can provide illumination without damaging night vision ability, often used in outdoor activities at night. The red flashing mode is also applicable to emergency rescue with high recognition. The green light is suitable for marking positions or sending signals in specific environments.