SIG SAUER.  STL-900L TACTICAL LIGHT/LASER.  Ideal integrated solution for weapons illumination.  aiming.  High output LED provides a blinding white light, with a strobe function optimized for disorientation.  High intensity red laser works alone or in combination with the white light to provide pinpoint accuracy.  Push button operation allows for any combination of light.  laser function.  Ergonomic design.  advanced materials assure light weight and a compact form factor.  Quick release latching system that can be operated w/one hand.  tightened for added security w/o the use of tools.  Unit attaches to M1913 type rails, ensuring compatibility with a wide range of platforms.  4mm glass lens.  80 mins. peak battery life, using 1 CR123A Lithium Battery