Carried LED fob light continuously for last 5/6 years - on keys etc.
Liked Innova a lot, but frequently found then switching on accidentally and dead when needed. Arguably this is a function of podgy thighs & stuffed pockets rather than design fault!
Used about half a dozen different brands and have to say favourite is the photon - happy to pay for something thats there when needed. Not convinced the 'singing and dancing' Freedom Photon et al worth while - but again agruably function of podgy fingers and zero co-ordination! But bog standard version works for me.
Going now to wander about bumping into things and contemplate podginess