What's in the box:

Focusing Lens Collimating Coated Replacement Plastic Lens for 5500mW or Below Laser Engraving and Cutting Module Head (Standard)

Features:
Special designed for 5500mW or below laser module head.
Fine workmanship easy to replace.
Premium quality, enhance a longer service time.
Perfect optical design.
Tiny but powerful.
Note: Only apply to adjust focusing Laser Module, not apply to focused laser module

Specification:
Color: Black + Red
Application: for 5500mW/below laser module head

Packing List:
1 * Replacement Plastic Lens