- Emitter: Cree XHP50.2 3V LED, cool white
- Flux: >3500 lm
- Intensity: >57,000cd (ANSI throw >480m)
- Firmware: Tom E’s open-source NarsilM v1.2
- User interface:
-  Default Intuitive Narsil smooth RAMPING UI. Instant access to a 2.5 A TURBO mode is also provided.
-  Conventional discrete level MODE-SET UI is available.  MOMENTARY mode.
- GT MINI uses free software distributed under the terms of the GNU Public License version 3
- Battery: One button-top 18650 or 18350 (short tube included) Li-ion cells Protected cells are recommended. Cells are not included.
- Driver: 29.5W, 9A FET driver. Parasitic drain while OFF is ~27 μA.
- Reﬂector: 43 mm ID, aluminum, smooth ﬁnish
- Lens: Glass with anti-reﬂective coating
- Body: Aluminum with Type III hard-coat anodizing
- Button: Tactile with back-lit rubber boot
- Ingress rating: IP68, underwater 2 meters
- Weight: 150g without cells
- Dimensions: 50 mm Ø head x132 mm length
1* GT mini Pro
1* Short tube
1* User manual
2* Spare O-ring