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The Klarus A2 PRO is a round-body LED handheld light rated at 1,450 lumens and 44,100 candela. That candela figure works out to an effective positive identification distance of 73 yards and visual impairment out to 9 yards, both calculated from the published beam data. It runs on 18650 and is rechargeable. It weighs 4.94 oz in an aluminum body 6.31 inches long. Measured against the 362 handheld lights in the index, it lands about in the middle for output (1,450 lumens), about in the middle for beam intensity (44,100 candela), about in the middle for weight (4.94 oz), and among the least expensive 10 percent for price ($50). 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 Klarus XT11R, the same brand's light in the same 1,000 to 1,999 lumen class, priced at $50.

| Series | A |
| Light Color | White |
| Emitter Type | LED |
| Lumens | 1450 |
| Candela | 44100 |
| Effective PID Distance (yds) | 73 |
| Effective Visual Impairment (yds) | 9 |
| Max Effective PID Distance (yds) | 60 to 80 |
| Max Effective Visual Impairment (yds) | 5 to 10 |
| Form Factor | Round |
| Battery | 18650 |
| Rechargeable | Yes |
| Material | Aluminum |
| Weight (oz) | 4.94 |
| Bezel Diameter (in) | 1.38 |
| Length (in) | 6.31 |
| Country of Manufacture | China |
| Average Price | $50 |
| Laser | No |
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