Yes, it is a standard HLX model light. You can program the HLX to have a strobe mode, which would then be controllable with the switch.
Per Cloud Defensive the rail is manufactured in house and just uses a BCM barrel nut.
Any picatinny accessory rail for MLOK would allow you to mount it as these are picatinny mounts. Here's a link to compatible MLOK accessory rails:
https://www.opticsplanet.com/magpul-mlok-hand-guard-rail-section.html
Please be aware that because neither Streamlight nor Surefire make mention of compatibility between the two platforms, we cannot guarantee fitment between Streamlight lights and Surefire Scout Mounts. There are however many reliable companies (Arisaka, Magpul, etc.) who have stated that their Scout mounts will definitely fit both Surefire Scout lights and Streamlight ProTac lights.
Yes, the entire unit will be the color listed except for the pressure switch.
The FDE will match closer as the Burnt Bronze will be a darker finish than a standard flat dark earth finish.
Yes, all of the models on this page will come with the ProTac HLX, the pressure switch and the Light Control System.
Both the Light Control System and Protac HLX come with a picatinny mount. The Protac HLX will work with any Scout light compatible mount as well.
Yes, if you are buying the whole kit off of this page, the light and mount will both be the color listed. Cloud Defensive has gone the extra mile and finished the lights to match their mount.
Yes, it will come with batteries.