Nightstick USB-568XL
The Nightstick USB-568XL is a round-body LED handheld light rated at 900 lumens and 12,081 candela, with White, Red, and Green output. That candela figure works out to an effective positive identification distance of 38 yards and visual impairment out to 5 yards, both calculated from the published beam data. It runs on 18650 and is rechargeable. It weighs 6.8 oz in an aluminum body 6.125 inches long. Measured against the 362 handheld lights in the index, it lands in the dimmest quarter for output (900 lumens), on the less intense side for beam intensity (12,081 candela), on the heavier side for weight (6.8 oz), and about in the middle for price ($100). It is one of 61 entries in the index that qualify as a light in the same 500 to 999 lumen class. The closest listed comparison is Nightstick NSR-9744XL, the same brand's light in the same 500 to 999 lumen class, priced at $130.
| Series | USB-568XL |
| Light Color | White+Red+Green |
| Emitter Type | LED |
| Lumens | 900 |
| Candela | 12081 |
| Effective PID Distance (yds) | 38 |
| Max Effective PID Distance (yds) | 20 to 40 |
| Effective Visual Impairment (yds) | 5 |
| Max Effective Visual Impairment (yds) | 5 to 10 |
| Battery | 18650 |
| Rechargeable | Yes |
| Material | Aluminum |
| Weight (oz) | 6.8 |
| Bezel Diameter (in) | 1.25 |
| Length (in) | 6.125 |
| Average Price | $100 |
| Form Factor | Round |
| Laser | No |
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