1: The focusing structure is not limited by distance 2: dustproof and waterproof, can be used in harsh environment 3: Stable and reliable, can work for a long time
1: The focusing structure is not limited by distance 2: dustproof and waterproof, can be used in harsh environment 3: Stable and reliable, can work for a long time
1: The minimum diameter of compact laser module is only 4mm (6mm for one word and cross line) 2: compact structure and small volume, easy to follow 3: Stable and reliable, price economy
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