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Olight Seeker
The Seeker is Olight's high-output EDC platform — larger than the Baton, brighter than the Warrior, and built around a wide flood beam optimized for close-to-mid-range illumination. Where the Baton prioritizes pocket disappearance and the Javelot chases throw, the Seeker puts maximum lumens into a body you can still carry in a jacket pocket or belt holster. The current lineup spans four models across two generations, scaling from a compact 18350 UV-equipped light to a 4,600-lumen quad-LED powerhouse.
Olight Seeker 3
The Seeker 3 is the previous-generation standard model. It runs four OSRAM P9 LEDs through a TIR optic, pushing 3,500 lumens with a 220-meter beam distance. A 4,000 mAh 21700 battery delivers up to 15 days on moonlight. The rotary knob switch provides stepless dimming plus press-and-hold mode cycling, with built-in proximity and thermal sensors that automatically step down output if the head is obstructed or overheating. MCC3 magnetic charging, auto-lockout after 30 seconds, and a silicone grip surface are standard. This is a legacy model — the Seeker 4 and Seeker 4 Pro supersede it — but remaining stock is available.
Olight Seeker 4 Mini
The Seeker 4 Mini is the compact entry point in the current generation. It runs 1,200 lumens through a dual white LED and UV LED configuration with a 120-meter beam distance and 3,600 candela, powered by a 1,100 mAh 18350 battery with up to 12 days of moonlight runtime. The 365nm UV emitter at 760 mW handles currency authentication, stain detection, and fluorescent agent inspection — the same wavelength and use case as the Arkfeld UV, but in a traditional cylindrical body. The body measures 3.43 inches at 3.95 ounces with ergonomic finger grooves machined into the head. Cool white and neutral white LED options are available on select colorways. MCC3 magnetic charging, two-way pocket clip, and IPX8 waterproofing are standard.
Olight Seeker 4
The Seeker 4 is the current-generation mid-range model. It steps away from the quad-LED layout of the Seeker 3 in favor of a single Cree XHP50.3 HI — a domeless quad-die LED that produces a cleaner, more uniform beam with higher intensity than the previous multi-emitter setup. Output hits 3,100 lumens with a 400-meter beam distance and 40,260 candela — nearly double the throw of the Seeker 3 despite slightly lower peak lumens. A 5,000 mAh 21700 battery delivers up to 15 days on moonlight. The big upgrade is onboard USB-C charging through a rotating dust cover on the tailcap, eliminating the need for a proprietary magnetic cable. The side switch is upgraded to metal with a tri-color battery indicator. IPX8 waterproofing is maintained even with the USB-C port exposed.
Olight Seeker 4 Pro
The Seeker 4 Pro is the flagship of the series. Four high-performance LEDs push 4,600 lumens through a TIR optic with a 260-meter beam distance and 16,895 candela. A 5,000 mAh 21700 battery delivers up to 15 days on moonlight. The rotary knob switch provides both stepless dimming and press-and-hold mode access — turn the dial for precise brightness, or press through the five preset levels. Laser-microperforated indicators on the body display brightness and battery status through 1,200 precision holes that maintain the IPX8 waterproof seal. Charging runs through the included vertical holster via USB-C, or through an optional MCC3 magnetic cable directly to the tail. The holster provides auto lock/unlock — drop the light in and it locks out, pull it out and it is ready to fire. The body runs 5.24 inches at 7.23 ounces in aluminum alloy with a silicone grip surface. Cool white and neutral white LED options are available depending on the colorway.
Choosing a Seeker
The Mini gives you 1,200 lumens plus UV in a compact 18350 body. The Seeker 4 gives you 3,100 lumens with the best throw in the lineup (400 meters) and onboard USB-C in a single-LED configuration. The Seeker 4 Pro gives you maximum output at 4,600 lumens with the holster charging system and rotary stepless dimming. All current-generation models run 21700 or 18350 batteries, IPX8 waterproofing, and magnetic charging as a baseline.
Seeker Series — Spec Comparison
Every model. Side by side.
| Model | Max Lumens | Beam Distance | Candela | LED Config | UV (365nm) | LED Options | Battery | Max Runtime | Charging | Proximity Sensor | Waterproof | Length | Weight |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Previous Generation | |||||||||||||
| Seeker 3 | 3,500 | 722 ft / 220 m | 12,100 cd | 3× OSRAM P9 (TIR) | — | Cool white | 4,000 mAh 21700 | 15 days | MCC3 magnetic | Yes | IPX8 | 5.24 in / 133 mm | 6.53 oz / 185 g |
| Seeker 4 Generation | |||||||||||||
| Seeker 4 Mini | 1,200 | 393 ft / 120 m | 3,600 cd | 2× white + 1× UV (TIR) | 760 mW | CW + NW | 1,100 mAh 18350 | 12 days | MCC3 magnetic | — | IPX8 | 3.43 in / 87 mm | 3.95 oz / 112 g |
| Seeker 4 | 3,100 | 1,312 ft / 400 m | 40,260 cd | 1× Cree XHP50.3 HI (reflector) | — | Cool white | 5,000 mAh 21700 | 15 days | USB-C onboard | — | IPX8 | 5.20 in / 132 mm | 7.05 oz / 200 g |
| Seeker 4 Pro | 4,600 | 853 ft / 260 m | 16,895 cd | 4× LED (TIR) | — | CW + NW | 5,000 mAh 21700 | 15 days | USB-C holster + MCC3 | Yes | IPX8 | 5.24 in / 133 mm | 7.23 oz / 205 g |
All models feature five white brightness modes plus strobe, magnetic tail caps, and aluminum alloy construction. Max runtime reflects moonlight mode (2–5 lumens). Turbo step-down occurs within 2–3 minutes across all models. The Seeker 4 has the highest throw in the lineup (400 m) due to its single-LED reflector optic — the quad-LED TIR models trade throw for wider flood coverage. CW = cool white, NW = neutral white. The Seeker 4 Pro's holster provides USB-C charging and automatic lock/unlock.