Skywalker X8 Lidar selection

Can anybody suggest me a good Lidar for Skywalker Precision landing??

I’m thinking to use LightWare SF20 with Pixhawk 2.1 Cube.

Also please share any videos for configuring Auto Takeoff and Auto Landing.
I’ve already gone through Ardupilot page and It’ll be more helpful if someone made any video for that.

Preparing to develop VTOL with Skywalker X8, before that I need to test the Auto missions with Skywalker as a Elevon plane. (Manual Flying completed successfully)