Features: 1. Used to point at any desired target on a projection screen, video, or similar surfaces. 2. Ideal for presentations, teaching, and instructional purposes. 3. Equipped with a star cap to project decorative patterns in low-light environments. 4. Without the cap, functions as a standard beam laser pointer. 5. Can assist in locating stars in the night sky on clear evenings. 6. Lightweight and compact, suitable for carrying in pockets or bags. 7. Incorporates advanced optical and microelectronic technology for reliable performance. 8. Features a green laser beam, which offers high visibility and improved targeting accuracy. 9. Constructed from aluminum alloy for durability; includes an anti-slip grip to help prevent drops. 10. Includes a lanyard for convenient portability and to reduce the risk of loss. 11. Sealed with a waterproof O-ring at the base to resist moisture ingress. 12. Power-saving design with a lock function to prevent accidental activation—red indicator means locked, green means unlocked. Important Safety and Usage Information: 1. After inserting the correct battery, unlock the device using the lock switch before pressing the activation button. 2. Performance may be affected by low temperatures; allow the device to warm up for several minutes in cold conditions. 3. Avoid direct eye exposure to the laser beam. 4. Do not operate continuously for extended periods to prevent overheating. 5. Intended for adult use; children should only use under direct adult supervision. 6. This is a high-power laser device that consumes power rapidly. Avoid continuous use exceeding 2 minutes to prevent internal damage. Note: For regulatory compliance, the product label indicates an output power under 5mW. Actual output may exceed this value. Specifications: Item Type: Laser Pen Model: 303 Body Material: Aluminum Alloy Laser Color: Red/Purple (Optional) Housing Color: Black (Optional) Size: Approx. 2.3 x 16cm (0.9 x 6.3in) Power Supply: 1 x 18650 Battery (Not included) Beam Style: Continuous line Spot Size: 6mm at 8000mm Working Voltage: DC 3.0–3.7V Preheat Time: Less than 3 seconds Working Temperature: +15°C to +35°C Storage Temperature: -10°C to +40°C Output Power: 5mW Quantity: 1 Set (additional accessories shown are not included) Notes: 1. Conversion: 1cm = 10mm = 0.39 inch 2. Allow 0–1cm variation due to manual measurement. 3. Monitor settings may affect color representation; actual product color may vary. Package Includes: 1 x Laser Pointer Pen 2 x Keys