Specifications:

Emitter: Osram KW CSLNM1.TG 6500k, SST20 4000K or Nichia 219C 4000K
Reflector: smooth reflector
Lens: Glass with anti-reflective coating
Flux: ~700lm
Intensity: ~27000 cd ANSI throw ~330 m (KW CSLNM1.TG)
~11250 cd ANSI throw ~ 210m (SST20 and Nichia)
Firmware: The FW1AA uses free software called Andúril, distributed under the terms of the GPL v3. Code is available from http://tiny.cc/TKAnduril

User interfaces: [1] By default the FW1AA is set to use SMOOTH RAMPING.
Instant access to TURBO mode is also provided.
[2] A more conventional STEPPED RAMPING UI is available if you
like discrete modes level. You can choose how many steps you want.
[3] MOMENTARY mode is useful for signaling purposes or rapidly/briefly
lighting up targets. To exit this mode, physically disconnect power
[4] MUGGLE mode uses a reduced output.
[5] It has an electronic LOCKOUT for safety, but acts also as momentary
low light.Other functions: Battery check, sunset, beacon,
tactical strobe, party strobe, bike flasher, candlelight, lightning storm
Battery: One 14500 cell. An unprotected cell is recommended.
Max. length 50.5 mm. Cell is not included.
Body: Aluminum with hard-coat anodizing
Switch: Electronic tail switch
Ingress rating: Equivalent to IPX7
Weight: Approximately 32.5 g without cells
Size: 20.5 mm Ø head x 77.2 mm length.