I also like the MTR M3 Pro; especially for its one mode setting. I have it in NW and am comfortable with it. Have a look at the Wurkkos FC11 - [Review] Wurkkos FC11 - 18650 EDC with USB-C It checks your boxes, has a great high CRI emitter, and is inexpensive. You can also use it with a short tube to take an 18350 cell. The Astrolux FC01 is another option; also inexpensive but more powerful.