At a distance of about 8 meters, the laser is characterized in turning in a prism a circle of more than 1.5 cm. In a 1000mm telescope that would be in accordance with a deviation of 2 mm. I suspect that that's okay, because the alignment mark on the main mirror of my telescope shows an estimated 3 mm mirror in the middle, and the laser light is then eh only weakly to guess on the clean mirror.
An adjustment of the collimator is not possible. While there suggest the metal housing the corresponding grub screws at intervals of 120 ° three wells, but to get ran there, you would have to drill.
Since this collimator about costs twice the cheapest model on Amazon, I would not loose contact and adjustment capability expected. Probably you have to grab for something far deeper into their pockets. Nowhere on the packaging, instructions or device you will find the name "Skywatcher" as used herein in the item description.