Elevate your professional presentations and outdoor explorations with these high-intensity Green Laser Pointers, engineered for exceptional visibility and precision. Featuring a powerful 532nm wavelength, these lasers produce a brilliant green beam that remains clearly visible over long distances, making them indispensable for lectures, astronomical star pointing, and emergency signaling. Whether you opt for the robust 303 model with its adjustable focus and safety key protection, you are equipped with a durable tool crafted from aerospace-grade materials designed for reliability in any environment. Features • High-visibility 532nm green beam provides a clear continuous line for precision • Durable aerometal and aluminum alloy construction ensures long-lasting use • Adjustable focus mode allows for versatile beam control and spot size customization • Safety key protection on the 303 model prevents unauthorized or accidental use • 18650 rechargeable battery options for convenience • Compact and lightweight designs are perfect for pockets, bags, or tactical kits • Versatile 6-in-1 capabilities suitable for teaching, astronomy, and outdoor signaling Specifications Wavelength: 532nm (Green) Beam Style: Continuous Line Body Material: Aluminum Alloy Operating Voltage: DC 3.7V Charging Method: 18650 Battery Dimensions: 23 x 1.5cm Focus Mode: Adjustable Package Included • 1 x Laser Pointer Pen