Yes, they strobe but not because of the house current. They "look" dimmer because of PWM (Pulse Width Modulation).
Basically the LEDS pulse on and off, not a true strobe, with their own frequency.
I don't know if his LED strips are adjustable...
The Shutter Speed was the issue. Once I moved it off of auto and adjusted the shutter speed everything looks great. Probably could have used a polarization filter to get rid of the glare from the red spotlights around the reindeer but all in...
Tripltek is good for compatibility; should work with everything. CS, not.
My Tripltek 9 Pro is still pretty awesome but introducing the Tripltek X Pro: https://www.tripltek.com/tripltekx