Nitecore THUMB

NITECORE THUMB 85 Lm Tiltable Keychain Light Instruction Manual

Model: THUMB | Brand: Nitecore

Zavedení

The NITECORE THUMB is a compact and versatile keychain flashlight designed for various lighting needs. Featuring two high-performance LEDs, it offers multiple brightness levels and a secondary red LED for specialized applications. Its adjustable head and USB rechargeable battery make it a practical tool for everyday carry and emergency situations.

Konec produktuview

NITECORE THUMB Keychain Light

The NITECORE THUMB keychain light, showcasing its compact design and dual LED head.

NITECORE THUMB Size Comparison

The NITECORE THUMB held in a hand, illustrating its small and portable size (approximately 7 cm or 3.1 inches in length).

Klíčové vlastnosti:

  • Dual High-Performance LEDs: Emits up to 85 lumens with three white brightness levels.
  • Nastavitelná hlava: The head can be tilted up to 120 degrees for flexible illumination angles.
  • Secondary Red LED: Provides red light for night vision preservation and emergency signaling.
  • USB dobíjecí: Built-in Li-ion battery recharges via a Micro USB port.
  • Odolná konstrukce: Made from polycarbonate materials with a metal rear suspension ring.
  • Design duálního spínače: Allows for easy one-handed operation.

Official product video demonstrating the NITECORE THUMB 85 Lm Tiltable Keychain Light's features and functionality.

Nastavení

Počáteční nabíjení:

  1. Locate the Micro USB charging port on the side of the THUMB. It is protected by a rubber cover.
  2. Gently lift the rubber cover to expose the Micro USB port.
  3. Connect a Micro USB cable to the THUMB's charging port.
  4. Connect the other end of the USB cable to a power source (e.g., USB wall adapter, computer USB port, power bank).
  5. While charging, the indicator light will glow red. Upon completion of charging, the indicator light will turn green.
  6. Po úplném nabití odpojte kabel USB a bezpečně zavřete gumový kryt, abyste zachovali vodotěsnost.
NITECORE THUMB USB Charging Port

Image showing the Micro USB charging port on the NITECORE THUMB.

NITECORE THUMB Packaging and Accessories

The NITECORE THUMB packaging, illustrating the included Micro USB cable and key ring.

Operace

Power On/Off and White Light Modes:

  1. To turn on the white light, press the upper power button (near the head) once. The light will activate at the highest brightness level (85 lumens).
  2. To cycle through brightness levels (High, Mid, Low), press the upper power button repeatedly while the light is on.
  3. To activate beacon mode (white flashing), continue pressing the upper power button after cycling through the low brightness setting.
  4. To turn off the white light, press the upper power button after beacon mode, or press and hold the upper power button for approximately 1 second.
NITECORE THUMB White Light Modes

Illustration of the NITECORE THUMB's white light modes and dual switch interface.

NITECORE THUMB Dual Switch

Close-up of the NITECORE THUMB's dual switch design for intuitive control.

Režimy červeného světla:

  1. To turn on the red light, press the lower power button (near the key ring) once. The red light will activate in constant mode.
  2. To activate flashing red light (emergency signal), press the lower power button again while the red light is on.
  3. To turn off the red light, press the lower power button after flashing red mode, or press and hold the lower power button for approximately 1 second.
NITECORE THUMB Red Light Modes

Demonstration of the NITECORE THUMB's red light function for night vision and signaling.

Nastavitelná hlava:

  • The head of the NITECORE THUMB can be manually tilted up to 120 degrees.
  • Adjust the head to direct the light precisely where needed, enhancing versatility for various tasks.
NITECORE THUMB Versatile Clip Usage

Examples of how the NITECORE THUMB can be clipped to clothing or gear for hands-free lighting.

NITECORE THUMB Durability Features

Highlighting the IP65 water resistance and impact resistance of the NITECORE THUMB.

Režim uzamčení:

  • To prevent accidental activation and battery drain, the THUMB features a lockout mode.
  • To activate lockout mode: Press and hold both power buttons simultaneously until the red LED flashes. The light will not turn on when either button is pressed.
  • To exit lockout mode: Press and hold both power buttons simultaneously again until the red LED flashes, indicating it's unlocked.

Specifikace

Funkce Detail
Model PALEC
Světelný zdroj 2 x High-Performance LEDs (White), Secondary Red LED
Maximální výkon 85 lumenů (bílá)
Brightness Levels (White) High (85 Lumens), Mid (30 Lumens), Low (2 Lumens), Beacon (85 Lumens)
Runtime (White) High: 45 min, Mid: 2h 15 min, Low: 22h
Výstup červeného světla 0.25 Lumens (Constant), 0.25 Lumens (Flashing)
Red Light Runtime Constant: 13h, Flashing: 14h
Head Tilt Angle Až 120 stupňů
Baterie Built-in Li-ion Battery (USB Rechargeable)
Nabíjecí port Micro USB
Materiál Polycarbonate, Metal
Voděodolnost IP65 (Waterproof & Dust Resistant)
Odolnost proti nárazu Až 1 metrů
Rozměry (DxŠxV) 2.91 x 0.94 x 0.62 palce (7.4 x 2.4 x 1.6 cm)
Hmotnost 0.06 libry (cca 27 g)
Zahrnuté příslušenství Keychain light, key ring

Údržba

  • Čištění: Wipe the flashlight with a clean, soft cloth. Avoid using harsh chemicals or abrasive materials.
  • Nabíjení: Recharge the battery regularly, especially if the light has not been used for an extended period, to maintain optimal battery life.
  • Skladování: Store the flashlight in a cool, dry place away from direct sunlight and extreme temperatures. If storing for a long time, charge the battery every 3-6 months.
  • Voděodolnost: Ensure the Micro USB port's rubber cover is securely closed to maintain the IP65 water resistance rating.

Odstraňování problémů

  • Světlo se nerozsvítí:
    • Zkontrolujte, zda je baterie nabitá. Připojte ji ke zdroji napájení USB pro nabíjení.
    • Ensure the light is not in lockout mode. Press and hold both buttons simultaneously to exit lockout mode.
  • Krátká doba běhu:
    • The battery may not be fully charged. Ensure the indicator light turns green after charging.
    • Using higher brightness modes consumes battery faster. Switch to lower modes for extended runtime.
  • Problémy s nabíjením:
    • Ensure the USB cable is properly connected to both the flashlight and the power source.
    • Try a different USB cable or power source to rule out faulty accessories.

Záruka a podpora

For warranty information, technical support, or service inquiries, please refer to the official Nitecore website or contact your authorized Nitecore dealer. Keep your purchase receipt as proof of purchase for warranty claims.

Official Nitecore Webmísto: flashlight.nitecore.com/product/thumb

© 2026 Nitecore. All rights reserved. Information subject to change without notice.

Ask a question about this manual

Ask about setup, troubleshooting, compatibility, parts, safety, or missing instructions. Manuals+ will review the question and use this page’s manual context to help answer it.