Đèn Laser Chữ Thập Màu Xanh Tia Dài Hơn 3 Mét

This is a 30mW laser pointer used for various tasks such as printing, packaging, and卷起货物。它具有可调节的旋钮和长达3米的光束。

• The description claims the laser pointer can be used in multiple industries like printing, packaging, and卷起货物。