Advantage:

1. With water cooling cycle, the lens temperature can be greatly reduced,thereby prolonging the service life and improving the beam stability;

2. The divergence angle of the outgoing beam is adjustable, and adjusting the divergence angle can change the position of the focus point and the distribution of the spot;

Structural Features:

1. Bring the water inlet and outlet, the user only needs to connect the water pipe, which is convenient to use;

2. With divergence angle adjustment ring, high adjustment accuracy;

3. Embedded internal water channel, good water cooling effect, compact structure and small size;