The Fully Focusable Alpha-TAC SX21-HO Blackbird, is one of ExtremeBeam Tactical’s original High-Performance leaders. Created specifically for full service police and military applications, and used by military and law-enforcement personnel world-wide, the SX21-HO is more than just a light. The SX21-HO is one of the most rugged and dependable High-Output Precision LED Tactical lights in its class. The SX21-HO’s advanced circuitry and increased inner body capacity allows for a variety of battery power systems to be used, including 18650 3.6 volt rechargeable, and the more common 3.0 and 3.7 volt CR123 Lithium non-rechargeable and rechargeable batteries. This precision circuitry and design makes the SX21-HO’s power options among the most versatile in the industry.

The SX21-HO’s High-Density Aluminum double-sealed, waterproof, shock-resistant housing, along with its Shatter-resistant glass lens, make this Precision Tactical Light the ideal addition to your weaponry. The SX21-HO adds High-definition lighting giving visibility at 120Yards with its 11,000LUX beam. The color spectrum of the SX21-HO’s High-Output LED beam allows for added visibility in moist air environments while increasing color-contrast for detection of colored material hidden in surrounding brush. And with a average battery run time of 7 hours on a set of batteries, the SX21-HO ranks among the most efficient and brightest of tactical lights in its class.

If you’re looking for a Tactical Military Weapon light with a history of Extreme brightness, durability and reliability, designed to perform even in the worst of combat situations, then the SX21-HO is the precision tactical lighting system of your choice. The SX21-HO “BlackBird” truly lives up to the company’s reputation as a first class precision tactical light, and an “The Original Extreme Beam Machine”™

”Built to be the toughest most overbuilt Combat-Ready, Weapon-Mountable, Shock-Proof Recoil-Resistant Super-TAC light ever used by any soldier in any combat situation anywhere in the world!”

SX21-H0 Blackbird
Light Performance	16,000 LUX @ 1 Meter (outperforms many lights rated over 600 lumens)
Average Max Runtime per set of batteries	7 hours
Measured Gun Range Light Projection	274 Meters/900 Ft.
Bulb Type	Fully Focusable High Output LED
Head Bezel Width	1.36 inches (34.55 mm)
Main Body Width	1.02 inches (25.9 mm)
Length	5.42 inches (137.54 mm)
Weight	5.0 ounces (142 grams) w/ batteries
Battery	Two 3.0 - 4.2 volt CR123 batteries OR One 18650 3.6 volt battery
Light Volume	310 Lumens
Waterproof/Dive Rated	1PX-8