Nightstick USB-320
The Nightstick USB-320 is a round-body LED handheld light rated at 320 lumens and 6,168 candela. That candela figure works out to an effective positive identification distance of 27 yards and visual impairment out to 3 yards, both calculated from the published beam data. It runs on Rechargeable Li-Ion. It weighs 3 oz in an aluminum body 4.5 inches long. Measured against the 362 handheld lights in the index, it lands among the dimmest 10 percent for output (320 lumens), in the least intense quarter for beam intensity (6,168 candela), in the lightest quarter for weight (3 oz), and among the least expensive 10 percent for price ($50). It is one of 24 entries in the index that qualify as a light in the same under 500 lumen class. The closest listed comparison is Nightstick TAC-300B, the same brand's light in the same under 500 lumen class, priced at $40.
| Series | USB-320 |
| Light Color | White |
| Emitter Type | LED |
| Lumens | 320 |
| Candela | 6168 |
| Effective PID Distance (yds) | 27 |
| Max Effective PID Distance (yds) | 20 to 40 |
| Effective Visual Impairment (yds) | 3 |
| Max Effective Visual Impairment (yds) | Under 5 |
| Battery | Rechargeable Li-Ion |
| Rechargeable | Yes |
| Material | Aluminum |
| Weight (oz) | 3 |
| Bezel Diameter (in) | 1 |
| Length (in) | 4.5 |
| Average Price | $50 |
| Form Factor | Round |
| Laser | No |
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