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- TK21R vs Seeker 4 IPX8
Fenix TK21R vs Olight Seeker 4 IPX8
What TK21R does better (3) and where Seeker 4 IPX8 wins (0) — every spec side by side.
vs
8.4Brightness & throw8.0
Why is TK21R better than Seeker 4 IPX8?
- Beam distance (ANSI FL1)480 m vs 400 m+20%
- Maximum output3,600 lm vs 3,100 lm+16%
- RechargeableYes · Seeker 4 IPX8: No
Why is Seeker 4 IPX8 better than TK21R?
Seeker 4 IPX8 has no measurable advantages in this pair.
Specifications
Side by side
| Light output | ||
| Maximum output | 3,600 lm | 3,100 lm |
| Peak beam intensity | 57,600 cd | — |
| Beam distance (ANSI FL1) | 480 m | 400 m |
| Light source | LED | LED |
| LED & beam | ||
| LED emitter | Luminus SFT-90 | — |
| LED maker | Luminus | — |
| Colour temperature | 6,600K | — |
| Battery & charging | ||
| Battery | 21700 Li-ion | — |
| Battery capacity | 6,000 mAh | — |
| Maximum runtime | 72.5 h | — |
| Rechargeable | Yes | No |
| USB-C charging | Yes | Yes |
| Battery level indicator | Yes | — |
| Build & durability | ||
| Protection rating | IP68 | — |
| Water protection (IPx) | IPx8 | — |
| Body material | Aluminium | Stainless steel |
| Size & weight | ||
| Length / height | 159.5 mm | — |
| Head diameter / width | 36 mm | — |
| Body diameter / depth | 25.4 mm | — |
| Weight | 221 g | — |
| Modes & features | ||
| Switch | Dual switches | — |
| Tactical tail switch (momentary on) | Yes | — |
| Strobe | Yes | — |
| Mode memory | Yes | — |
| Colours | — | Black |
