XT
Klarus XT21X PRO
The Klarus XT21X PRO is a round-body LED handheld light rated at 4,400 lumens and 28,224 candela. That candela figure works out to an effective positive identification distance of 58 yards and visual impairment out to 7 yards, both calculated from the published beam data. It runs on 21700 and is rechargeable. It weighs 5.57 oz in an aluminum body 6.42 inches long. Measured against the 362 handheld lights in the index, it lands in the brightest quarter for output (4,400 lumens), about in the middle for beam intensity (28,224 candela), about in the middle for weight (5.57 oz), and on the pricier side for price ($130). It is one of 71 entries in the index that qualify as a light in the same 4,000 lumen and up class. The closest listed comparison is Klarus FlatTac X1, the same brand's light in the same 4,000 lumen and up class, priced at $80.
| Series | XT |
| Light Color | White |
| Emitter Type | LED |
| Lumens | 4400 |
| Candela | 28224 |
| Effective PID Distance (yds) | 58 |
| Effective Visual Impairment (yds) | 7 |
| Max Effective PID Distance (yds) | 40 to 60 |
| Max Effective Visual Impairment (yds) | 5 to 10 |
| Form Factor | Round |
| Battery | 21700 |
| Rechargeable | Yes |
| Material | Aluminum |
| Weight (oz) | 5.57 |
| Bezel Diameter (in) | 1.61 |
| Length (in) | 6.42 |
| Country of Manufacture | China |
| Average Price | $130 |
| Laser | No |
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