Large-Capacity Battery, Long-Lasting Battery Life: This flashlight features a large-capacity 2000mAh battery, providing long-lasting battery life, making it suitable for extended outdoor use. 1. Versatility: This flashlight boasts a variety of functions, including a telescopic zoom and red and blue warning lights, making it suitable for a variety of environments and occasions. For example, the red and blue warning lights provide a signal in emergencies, while the telescopic zoom function allows the illumination range to be adjusted as needed, reducing unnecessary energy consumption and adapting to varying terrain and lighting conditions. 2. Rechargeable and Long-Lasting Battery Life: This flashlight is rechargeable, eliminating the risk of battery depletion and making it ideal for extended outdoor use. Its built-in large-capacity battery provides long-lasting battery life, allowing for extended use on a single charge without frequent battery replacements. 3. Portability and Durability: Constructed from high-strength aluminum alloy, this flashlight is durable and waterproof, making it suitable for a variety of harsh environments. Its moderate weight makes it easy to carry, making it an ideal choice for outdoor enthusiasts. It also features a lanyard hole for easy attachment to a backpack or belt.