Mr. J, Mr. Shadoh, and Mr. Doug -
Let me try to answer your questions.
1. The RM02 sight on my G26 is always on. No switch, no sleep mode, no extra step on the draw. Battery life is 17,000 hours or about two years. I'm gonna change my battery next year.
2. I am carrying it in a Tucker Cover Up holster at Appendix (think 1 o'clock from my belt buckle). I am a chubby middle-aged guy, not some slender Pepsi-generation warrior. The sight lies alongside my body. No issues. Same for carrying Strong Side behind my hip in a Tucker "The Answer". YMMV.
3. The Dual Illumination RMR's trit