Once I managed to open it and activate the batteries (no mean feat given the minuscule non-written instructions). It worked well enough. Job done, I took it off an noticed the shape and size of the torch head. I wonder...
I found a Meade red filter - offered it up (internal thread down) and tentatively screwed into the softish plastic. It neatly cut a thread on the material and sat there nicely secure. Wow, serendipity is wonderful. 95 Watt and lower LED on .
Oh, you if press 3 time the white LEDs flash - useful to attract attention in those