Vortex Impact 4000 Ballistic Rail-Mounted Laser Rangefinder
| Light/Emitter Type | IR Laser |
| Laser Type | Class 2M (IR) |
| Range of Illumination | Not Specified by Manufacturer |
| Peak Wavelength | 915 nm |
| Peak Output | Not Specified by Manufacturer |
| Power Source | 1x CR123A |
| Mount | Picatinny |
| Impact Point Correction | Not Specified by Manufacturer |
| Environmental Resistance | Not Specified by Manufacturer |
| Dimensions | L: 4.6 x W: 3.2 x H: 2.5" / L: 116.8 x W: 81.3 x H: 63.5 mm |
| Weight | 16 oz / 453.6 g |
| Package Weight | 2.77 lb |
| Box Dimensions (LxWxH) | 11.2 x 7.5 x 3.5" |