Mine is just red/blue illumination I think nothing crazy expensive but gets the job done….speaking of crazy expensive…..we were dreaming about new crossbow or at least a rangefinder scope and scope alone is like 1800 and on the top rated crossbow it’s 4K guess I’ll be keeping mine foreverI think I remember that. Sightmark maybe? It will either be that or the ATN X-sight for me. I can’t afford to get into thermal.