Fenix AR102 remote switch, as above but fits Fenix square cut thread models TA20, TA21, TK11 R5 (latest version - check your tail has flat top, square cut threads) and TK12.
The unit also features a sidewinder clicky switch for constant operation of your flashlight, great for night time navigation etc (whilst keeping your barrel pointed in a safe direction of course)
A superbly engineered accessory, finished in hard anodized aircraft aluminium with a coiled switch lead and durable remote which is rated for 100,000 cycles, plus the excellent addition of a constant - on switch in the body of the tailcap !
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