Specifications for Sig Sauer ECHO1 Thermal Reflex Sight, 1-2X:
| Magnification: | Range 1 - 2 x |
| Objective Lens Diameter: | 1.2 in |
| Additional Features: | 8 Color Palette Menu, 5 Reticle Options, Design Your Own Reticle Option, Picture mode |
| Focus Range: | Range 300 - 1000 yds |
| Length: | 4.3 in |
| Weight: | 14.7 oz |
| Battery Type: | 2 x CR123 Batteries |
| Resolution: | Range 156 - 206 Pixels |
| Eye Relief: | Infinite |
| Condition: | New |
| Color: | Graphite |
| Operating Temperature: | Range 0 - 120 Fahrenheit |
| Height: | 4 in |
| Width: | 4 in |
| Battery Life: | 8 hours Plus |
| Refresh Rate: | 3 seconds up to 30 seconds |
| Range of Detection: | 1000 yds |
| Minimum Focus Distance: | 1.5 ft |
| Water Resistance Level: | IPX-6 |
| Attachment/Mount Type: | M1913 Picatinny Cross-Slot STANAG Compliant Mount |
| Reticle: | Multiple |
| Adjustment Click Value: | 0.5 MOA |
| Objective Aperture: | 30 mm |