Fenix E06R PRO RG vs Streamlight ProTac 2L-X USB size comparison
The Streamlight ProTac 2L-X USB is 7.6 mm (0.30 in) longer than the Fenix E06R PRO RG, and 4.1 mm narrower at its widest point. It is 21 g heavier (with battery).
Fenix E06R PRO RG: Photo: Fenix · Image policy
The Streamlight ProTac 2L-X USB is 7.6 mm (0.30 in) longer than the Fenix E06R PRO RG, and 4.1 mm narrower at its widest point. It is 21 g heavier (with battery).
Dimensions
| Fenix E06R PRO RG Check price ↗ | Streamlight ProTac 2L-X USB Check price ↗ | |
| Length | 123 mm (4.84 in) | 130.6 mm (5.14 in)+7.6 mm |
| Head / width | 31 mm (1.22 in) | 26.9 mm (1.06 in)−4.1 mm |
| Body | — | 23.9 mm (0.94 in) |
| Thickness | 19 mm (0.75 in) | — |
| Weight | 104 g with battery | 125 g with battery+21 g |
| Battery | Built-in | 18650 / 2x CR123A |
| Max output | 1,600 lm | 500 lm |
| Throw | 160 m | — |
| Type | EDC | EDC |
| Price | $84.95 at fenixlighting.com, as of Nov 4, 2026 | $83.05 at batteryjunction.com, as of Nov 4, 2026 |
| Source | fenixlighting.com sourced Listed 31.0 mm wide x 19.0 mm thick | batteryjunction.com sourced |
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E06R PRO RG vs ProTac 2L-X USB: how they differ
Size and weight
The Fenix E06R PRO RG is the shorter light: 123 mm (4.84 in) against 130.6 mm (5.14 in), a difference of 7.6 mm (6%). At its widest point the Streamlight ProTac 2L-X USB is 4.1 mm slimmer (26.9 vs 31 mm). The Fenix E06R PRO RG is 21 g lighter (104 g vs 125 g, with battery).
Brightness and throw
The Fenix E06R PRO RG is rated brighter: 1,600 lm maximum vs 500 lm for the Streamlight ProTac 2L-X USB, 220% more.
Battery
The Fenix E06R PRO RG runs on a built-in rechargeable battery; the Streamlight ProTac 2L-X USB runs on removable 18650 / 2x CR123A batteries. Only the Streamlight ProTac 2L-X USB lets you swap in a charged spare.
Price
When we checked on Nov 4, 2026, the Fenix E06R PRO RG was $84.95 at fenixlighting.com and the Streamlight ProTac 2L-X USB $83.05 at batteryjunction.com, so the Streamlight ProTac 2L-X USB cost $1.90 less. Prices change often, so check the current price before you buy.
Type
Both are EDC lights in our catalog.
Which should you buy?
Choose the Fenix E06R PRO RG if you want a shorter light (7.6 mm shorter), less weight (21 g lighter), more output (1,600 lm vs 500 lm) and a built-in battery with no separate cell to buy. Choose the Streamlight ProTac 2L-X USB if you want a slimmer profile (4.1 mm narrower) and a removable cell you can swap. We compare published size, weight, output, throw and battery only, not runtime, interface or build quality.
Check price ↗ Fenix E06R PRO RG Check price ↗ Streamlight ProTac 2L-X USB
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E06R PRO RG vs ProTac 2L-X USB FAQ
Which is smaller, the Fenix E06R PRO RG or the Streamlight ProTac 2L-X USB?
The Fenix E06R PRO RG is the shorter light: 123 mm (4.84 in) against 130.6 mm (5.14 in), a difference of 7.6 mm (6%). At its widest point the Streamlight ProTac 2L-X USB is 4.1 mm slimmer (26.9 vs 31 mm). The Fenix E06R PRO RG is 21 g lighter (104 g vs 125 g, with battery).
Which is brighter, the Fenix E06R PRO RG or the Streamlight ProTac 2L-X USB?
The Fenix E06R PRO RG is rated brighter: 1,600 lm maximum vs 500 lm for the Streamlight ProTac 2L-X USB, 220% more.
Which is cheaper, the Fenix E06R PRO RG or the Streamlight ProTac 2L-X USB?
When we checked on Nov 4, 2026, the Fenix E06R PRO RG was $84.95 at fenixlighting.com and the Streamlight ProTac 2L-X USB $83.05 at batteryjunction.com, so the Streamlight ProTac 2L-X USB cost $1.90 less. Prices change often, so check the current price before you buy.
Do the Fenix E06R PRO RG and Streamlight ProTac 2L-X USB use the same battery?
The Fenix E06R PRO RG runs on a built-in rechargeable battery; the Streamlight ProTac 2L-X USB runs on removable 18650 / 2x CR123A batteries. Only the Streamlight ProTac 2L-X USB lets you swap in a charged spare.
Compare Fenix E06R PRO RG with similar lights
Compare Streamlight ProTac 2L-X USB with similar lights
More
Sources
- Fenix E06R PRO RG: specs from Fenix product page (manufacturer). Photo from manufacturer: the maker's own product photo with the background removed, scaled to the published length and diameter (Photo: Fenix; image policy). Price $84.95 from fenixlighting.com, checked Nov 4, 2026; prices change often.
- Streamlight ProTac 2L-X USB: specs from manufacturer published specs as listed by batteryjunction.com. Drawing: outline from published specs. Price $83.05 from batteryjunction.com, checked Nov 4, 2026; prices change often.
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