The W8W and W9W RGB laser are selling hot now.
The 3 color beam are installed inside the one housing.

The combination is as follows:

W8W is with R2W/638NM, G2W/520NM, B4W/445NM.Net weight is 12KG. It is USD2500/PCS with the DT40.
W9W is with R2W/638NM, G3W/520NM, B4W/445NM.Net weight is 14KG. It is USD2800/PCS with the DT40.

And the size of case is W24*L33*H17CM.

It is very good for the renting .