Emitter: Luminus SBT90.2 ,5700K, mounted on copper DTP MCPCB
Flux: >5500 lm
Intensity: >1850 kcd (ANSI throw >2720 m)
Firmware: Tom E’s open-source NarsilM v1.3 adapted by Texas_Ace. Anduril v3 UI
User interface:  By default the GT90 is set to use the very intuitive Narsil smooth RAMPING UI. Instant access to a 2.5 A TURBO mode is also provided.
 A more conventional discrete level MODE-SET UI is available as an alternative. Anyone of 12 pre-defined mode-sets can be selected.
 MOMENTARY mode is useful for signaling purposes or rapidly/briefly lighting up targets.
Battery: Four or eight button-top unprotected 18650 cells (4S1P or 8S1P). protected cells not fit. Cells are not included.
Driver: Texas Avenger V2
Reflector: 118 mm inner diameter, aluminum, smooth finish
Lens: Glass with anti-reflective coating
Body: Aluminum with Type III hard-coat anodizing
Tripod socket: Standard 1/4 inch threaded (1/4-20 UNC)
Button: Tactile with back-lit rubber boot
Ingress rating: Equivalent to IP65, do not immerse in liquids
Weight: Approximately 1.8 kg without cells
Dimensions: 135 mm Ø head x 315 mm length