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Product shown herein is subject to US export regulations and may require a license prior to export. Any diversion contrary to US Government regulations is prohibited.

SPI-SIOUX long range illuminator
SPI-Spark long range IR illuminator
SPI-Spark long range IR illuminator
SPI-Spark long range IR illuminator


The SPI SPARK extra long-range infrared illuminators provide advanced image-intensified viewing capabilities to night vision devices, and is ideally suited for operations in little to no ambient light. The illuminator features adjustments for field of view divergence and output power, extending the capabilities of night vision device. One of the market’s most powerful infrared illuminators, the SPI SPARK comes equipped with the 18650 rechargeable battery and charger. The Sioux line includes the Sioux 850 model with 850nm peak wavelength and Sioux 940 model with 940nm peak wavelength. The 850 nm wavelength is standard for most night vision applications. The 850nm light source does produce a faint red glow at direct exposure, but otherwise it is not visible to the naked eye.

  • Powerful, long-range infrared illuminator
  • High power, IR-emitting diode
  • Power adjustment
  • Wide-range beam angle adjustment
  • Precise adjustment of beam direction
  • Invisible to the human eye
  • Eye safe
  • Lightweight and rugged
  • Ideal for extreme, low-light conditions
  • Can be mounted on the Weaver rail or used as a handheld device
  • Comes standard equipped with a rechargeable battery and charger unit

IR emitter type



1,000 mW

Peak wavelength

850 nm

Illumination range

4° to 35°


Gen 1, CORE, Gen2, Gen 3, Digital

Compatible night vision devices

Single 18650 (3.7V) Rechargeable Battery

Battery type

Up to 10 hours (1/4 Power)

Up to 8 hours (1/2 Power)

Up to 6 hours (3/4 Power)

Up to 2.5 hours (Full Power)

Battery life (operating at 20°C)

-30 to +50°C (-22 to +122°F)

Operating temperature range

225 g (0.49 lbs)