Nightstick USB-558XL
The Nightstick USB-558XL is a round-body LED handheld light rated at 1,100 lumens and 13,843 candela. That candela figure works out to an effective positive identification distance of 40 yards and visual impairment out to 5 yards, both calculated from the published beam data. It runs on Rechargeable Li-Ion. It weighs 5.7 oz in an aluminum body 5.9 inches long. Measured against the 362 handheld lights in the index, it lands on the dimmer side for output (1,100 lumens), on the less intense side for beam intensity (13,843 candela), about in the middle for weight (5.7 oz), and on the cheaper side for price ($80). It is one of 127 entries in the index that qualify as a light in the same 1,000 to 1,999 lumen class. The closest listed comparison is Nightstick NSR-9514XL, the same brand's light in the same 1,000 to 1,999 lumen class, priced at $80.
| Series | USB-558XL |
| Light Color | White |
| Emitter Type | LED |
| Lumens | 1100 |
| Candela | 13843 |
| Effective PID Distance (yds) | 40 |
| Max Effective PID Distance (yds) | 40 to 60 |
| Effective Visual Impairment (yds) | 5 |
| Max Effective Visual Impairment (yds) | 5 to 10 |
| Battery | Rechargeable Li-Ion |
| Rechargeable | Yes |
| Material | Aluminum |
| Weight (oz) | 5.7 |
| Bezel Diameter (in) | 1.2 |
| Length (in) | 5.9 |
| Average Price | $80 |
| Form Factor | Round |
| Laser | No |
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