Durable Aluminum Alloy Construction: Crafted from high-grade aluminum alloy, this flashlight is robust and long-lasting, ensuring reliable performance in various environments. The sturdy material provides durability for extended use without compromising on quality or functionality. Adjustable Focus and Spot Size: Featuring external focus adjustment, this flashlight allows easy customization of the light beam's thickness and spot size. Tailored to your needs, this feature enhances precision and versatility in different scenarios, offering optimal visibility and control over the light output. Long Battery Life with 18650 Battery: Equipped with an 18650 battery, this flashlight boasts a large capacity for extended usage durations. Enjoy prolonged battery life to support your activities without frequent recharging, ensuring uninterrupted illumination when you need it most. Versatile Applications: This flashlight supports multiple lighting modes and effects. The included cap enables pattern projection, allowing creative and functional light displays in various settings. High-Power Green Light Beam Visibility: Experience a focused, intense green light beam with excellent visibility up to 2,000 meters at night. The beam remains clearly visible even in daylight conditions, ensuring effective pointing and signaling. Easily adjust the light beam thickness and spot size with the external focus adjustment feature. The included 18650 battery offers a large capacity for extended battery life. The convenient tail switch allows for easy operation. For focused, intense green light beam, simply remove the cap. This high-performance flashlight boasts a remarkable range of 2,000 meters at night, with the green beam remaining clearly visible even in daylight. Enhance safety and functionality during outdoor activities as the bright green light easily indicates direction. Designed with a high-quality aluminum alloy shell and anti-slip features, this flashlight offers a comfortable grip that prevents slipping. The portable clip and hand strap ensure easy carrying and minimize the risk of misplacement. An anti-touch design adds an extra layer of safety by preventing accidental switch activation. Item Name: Flashlight Material: Aluminum Alloy Surface Treatment: Anodized Black Battery: 18650 Rechargeable Battery Wavelength: 532nm, 405nm, 650nm Startup Time: ≤ 0.001 Seconds Working Voltage: DC 3.7V Range: 2000 Meters (Visible at Night) Features: Green Light Beam, High Performance, Adjustable Focus Size: 15.3 cm x 2.4 cm (Approx.) Notes: Due to lighting and screen settings, the item’s color may vary slightly from the images. Slight dimensional differences may occur due to manual measurement. Package Includes: 1 x Flashlight 1 x Battery