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Neje Master 2S Plus - A40640 laser module to cut and engrave | I built RC airplane with this

Explore the capabilities of the Neje Master 2S Plus with its powerful A40640 laser module in this exciting video. Watch as I ...

Optoma Launches New 4K HDR Home Cinema Laser Projector That Also Supports 240Hz Gaming

Optoma has added a new projector to its home cinema range that looks like it also has the potential to be an excellent ...