The CSI Tactical Flashlight is NEBO's original tactical light. Constructed of anodized aircraft grade aluminum, this flashlight's design is completely water-resistant. Adding to the toughness of this light is the aggressive self-defense face and anti roll body design. This flashlight features eight (8) white LED's and a red laser pointer. The CSI Tactical Flashlight has 4 settings, eight (8) white LED's on, laser pointer on, eight (8) white LED's in flash mode, and if you hold down the rear button for 4 seconds the white LED's and laser pointer flash in the morse code S.O.S. sequence.Eight (8) powerful White LED's output 24 lumens (bulbs rated for 110,000+ hours of life)Red laser pointer travels over 450 yardsEmergency flasher function – White LED's in flash modeS.O.S. Flash Mode – White LED's and laser in S.O.S. flash sequenceAggressive self-defense faceAnti-roll body designAnodized aircraft grade aluminum water-resistant compact body design
| Auxiliary lip | Yes |
| Design | CRWA1 |
| Housing bore diameter | 28.55 mm, 1.124 in |
| Maximum operating temperature | 200.0 °C, 392.0 °F |
| Maximum operating temperature (°F) | 200.0 °C, 392.0 |
| Minimum operating temperature | -40.0 °C, -40.0 °F |
| Minimum operating temperature (°F) | -40.0 °C, -40.0 |
| Permissible circumferential speed | 7.15 m/s |
| Rotational speed | 13655.0 r/min |
| Seal width | 6.35 mm, 0.25 in |
| Sealing lip material | Fluoro rubber (FKM) |
| Shaft diameter | 12.7 mm, 0.5 in |
| Type of outside diameter | Metal-cased with sealant coating on the outside diameter |
| Unit system | Inch |