The SIG Sauer ROMEO7S is a red dot rifle optic at 1x magnification, using a 2 MOA aiming point in green. It ships on a fixed mount at Absolute Co-Witness height (1.41 or 1.63 in optical centerline). It runs on an AAA cell and adds shake awake and night vision settings. The aluminum body measures 3.19 x 2.09 x 2.60 in and 7.7 oz. Measured against the 320 red dots and prisms in the index, it lands on the lighter side for weight (7.7 oz) and among the least expensive 10 percent for price ($140). It is one of 149 entries in the index that qualify as a red dot at 1x. The closest listed comparison is SIG Sauer ROMEO-MSR GEN II, the same brand's red dot at 1x, priced at $140.
| Series | ROMEO7S |
| Optic Type | Red Dot |
| Magnification | 1 |
| Reticle Color | Green |
| Reticle Size (MOA) | 2 |
| Solar Failsafe | No |
| Shake Awake | Yes |
| Night Vision Compatible | Yes |
| Enclosed | No |
| Battery | AAA |
| Optic Removal for Battery Change | No |
| Mount Type | Fixed |
| Mount Height | Absolute Co-Witness |
| Mount Height (in) | 1.41 / 1.63 |
| Material | Aluminum |
| Weight (oz) | 7.7 |
| Dimensions (in) | 3.19 x 2.09 x 2.60 |
| Average Price | $140 |
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