| Rapid, accurate target acquisition | 
| Tools-free Picatinny mount | 
| Rugged design | 
| Available with 3x and 5x magnifiers | 
| Simple to operate | 
 
				
			The HDS 3AA is powered by a single AA battery and is ideal for tactical law enforcement and military applications as well as a variety of commercial and recreational uses. This sight allows for rapid, accurate target acquisition with both eyes open — ideal for close quarters combat. The HDS 3AA features a tools-free Picatinny mount, tactile windage and elevation adjustments and multiple aiming point brightness levels (including settings for night vision). When coupled with the HDS 3x flip-away magnifier, the HDS 3AA can be used as a 3x weapon sight.
| Rapid, accurate target acquisition | 
| Tools-free Picatinny mount | 
| Rugged design | 
| Available with 3x and 5x magnifiers | 
| Simple to operate | 
| Optics | |
| Maximum magnification (x) | 1 (3 or 5 with add-on) | 
| Objective lens diameter (mm) | 30 | 
| Parallax free | Yes | 
| Eye relief (mm) | Unlimited | 
| Diopter adjustment range | ±3 (with add-on) | 
| Ballistic Specifications | |
| Reticle pattern | Red Dot | 
| Red dot size (MoA) | 4 | 
| Lit reticle | Yes | 
| Lit reticle colour | Red | 
| Adjustable reticle brightness | 11 Settings | 
| Windage adjustment step (MoA) | 0.5 | 
| Elevation adjustment step (MoA) | 0.5 | 
| Mechanics, Electronics & Environmental | |
| Housing material type | Extruded High Strength Aluminum | 
| Dimensions (mm) | 128x55x70 | 
| Weight (g) | 332 | 
| Shock resistance (G) | 500 | 
| Battery type | 1x AA | 
| Battery life, minimum (hours) | 800 | 
| Operating temperature range (°C) | -40 to +60 | 
| Storage temperature range (°C) | -55 to +75 | 
| Humidity (%) | 95 | 
| Waterproofing | 10m / 1 hour | 
| Mounting | MIL-STD-1913 |