1: The focusing structure is not limited by distance 2: cylindrical structure, compact structure and good heat dissipation 3: Stable and reliable, can work for a long time

1: The focusing structure is not limited by distance 2: cylindrical structure, compact structure and good heat dissipation 3: Stable and reliable, can work for a long time

1: The focusing structure is not limited by distance 2: cylindrical structure, compact structure and good heat dissipation 3: Stable and reliable, can work for a long time

1: The focusing structure is not limited by distance 2: cylindrical structure, compact structure and good heat dissipation 3: Stable and reliable, can work for a long time

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