KomShine Metal Visible Laser Light Source Fiber Optic Red Light Pen 1. Output power: 1mW, 10mW, 20mW, 30mW 2. Output wavelength: 650nm 3. Laser type: FP-LD 4. Universal adapter: FCSCST 5. 2Hz: Yes 6. Connector type: 2.5mm universal interface 7. Power supply: AA battery x2 (not included) 8. Hidden button design to prevent accidental booting 9. Silicone cover, dustproof and dirt-resistant 10. Replaceable ceramic core, durable 11. Laser chip laser head, strong light source, stable performance, stronger penetration, and longer distance 12. Compact and lightweight, can be held in one hand, suitable for different environments, lightweight design, beautiful and elegant 13. The structure is sturdy and the laser head design is used to ensure that the laser avoids damage caused by direct impact when it accidentally falls to the ground. 14. The use of laser drive circuit can ensure that the 650nm1mW laser can be used continuously for more than 50 hours. 15. Low voltage alarm, notifying the user to replace the battery before the battery energy is almost exhausted. 16. Weight: 80g 17. Size: 180x24mm