Focusable 450nm 455nm -5000 Blue Dot Laser Diode Module 120x24mm Parameters: 1.Model: 455T-5000 2. Boost constant current drive circuit 3.Equipped with temperature control, low voltage protection, and reverse connection protection 4.Adopting all metal welding thermal conductivity technology 5.Internal all copper components 6.Hard oxide shell 7. 1pc 18650 battery needed, which is not included in the package. 8. Beam shape: IT IS NOT PURE DOT. the beam is more like rectangle/square due to the multi-mode high power diode. Precautions: 1. Do not touch or wipe the lens. If there is dust, it can be blown with wind. 2. The high power laser should not be placed close to objects to turn on lights, otherwise the light will reflect back to the collimating lens and burn it out. For example, if you directly place the laser head downwards on the ground while the laser is on, the collimating lens will be directly burned out. Package: 1pc 455T-5000 blue laser diode module (battery is not included in the package)

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