Product Model: laser-303; Material: Hard aluminum; Surface treatment: Black anodized; Switch mode: Touch switch; Battery: 18650 rechargeable battery; Wavelength: 405 nm; Power: 200 mW; Start-up time: 0.001 seconds; Working voltage: DC 3.7 V with key protection; Range: 100–500 meters (visible distance at night) Product Features: 1. Constructed from aviation-grade aluminum alloy for durability and strength; 2. External focus design allows easy adjustment of beam thickness and spot size; 3. Powered by 18650 rechargeable battery offering high capacity and extended runtime; 4. Front-mounted switch for simple operation—press to turn on, release to turn off; 5. High-quality laser diode and components enhance longevity, supporting over 10,000 hours of operation; 6. Includes child safety lock—rotate switch to red dot position and remove key to disconnect power when not in use; 7. Integrated laser module with improved heat dissipation and advanced circuit board protection design for enhanced reliability.