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LedLenser Rechargeable Keychain Flashlight LED with Maximum Brightness 120lm Gray
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LedLenser Rechargeable Keychain Flashlight LED with Maximum Brightness 120lm Gray Code: 502592

Ledlenser K4R 4GB Gray flashlight with multiple features: Flashlight enhanced with a 4GB memory card. Small in size and powerful, the K4R flashlight is ideal for your keychain. Its lighting power...

Ledlenser K4R 4GB Gray flashlight with multiple features: Flashlight enhanced with a 4GB memory card. Small in size and powerful, the K4R flashlight is ideal for your keychain. Its lighting power reaches 120 lumens, offering better lighting assistance than a smartphone flashlight. Charging is done via enclosed USB-A without the need for cables. With a...

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  • Lumen

    Shows how bright the lens is, the more lumens there are, the brighter the lens is.

    120

    A flashlight with 100 to 200 lumens is ideal for camping use.

  • Protection Certification

    IP (Ingress Protection) is an international standard (IEC 60529) that indicates the level of protection an enclosure offers against solid particles (dust) and water.

    IP54 → resistant to dust and splashes (indoor / mild outdoor environment).

    IP65 → completely dust-tight + resistant to water jets (very good for general outdoor use).

    IP67 → completely waterproof + withstands temporary immersion (e.g. construction sites, outdoor areas with heavy rain).

    IP68 → continuous use underwater (special applications, not typical for flashlights).

  • Rechargeable

    Operates with removable or built-in rechargeable batteries.

  • Battery Type

    Built-in Battery

    It is built into the device and charges via a charging port, without requiring replacement.
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Description

Description

Ledlenser K4R 4GB Gray flashlight with multiple features: Flashlight enhanced with a 4GB memory card. Small in size and powerful, the K4R flashlight is ideal for your keychain. Its lighting power reaches 120 lumens, offering better lighting assistance than a smartphone flashlight. Charging is done via enclosed USB-A without the need for cables. With a compact "rugged" aluminum body, the flashlight combines high optical quality and ease of use, making it an ideal practical accessory for keys and more.

  • Flashlight with 4GB pendrive function
  • Tiny dimensions
  • Incredible efficiency – 120 lumens with a light range up to 30 meters
  • Easy to use
  • Transport safety
  • Fast charging via USB-A
  • Hook for easy hanging
  • Battery charge indicator
  • Low weight – 20 g

Product features:

  • Power supply: battery (Li-ion, 180 mAh, 3.7 V)
  • Material: aluminum
  • Light output: up to 120 lm
  • Light range: 30 m
  • Maximum operating time: 3.5 hours
  • Length: 52 mm
  • Protection rating: IP20
  • Weight: 20 g

Lighting functions:

  • Boost mode (instant maximum power): 120 lm - 30 m
  • Power: 80 lm – 25 m – 1 h
  • Low Power: 20 lm – 10 m – 3.5 h

Compatible measurements according to ANSI FL1. Values refer to the brightest setting. Included: K4R 4GB flashlight, Original, aesthetic Ledlenser packaging, Hook, loop for hanging the flashlight, Complete manufacturer documentation.

Manufacturer

Manufacturer Details

Warnings & Safety Information
See full description

Specifications

Specifications

Product Number
502592

Dimensions

Type
Keychain

Type

Keychain
Very small flashlight that hangs on a keychain. Used for immediate lighting at short distances.
Rechargeable
Yes

Rechargeable

Operates with removable or built-in rechargeable batteries.
Weight
20 gr

Charge Type

Dynamo
No

Dynamo

Operates without batteries, with a handle rotation or repeated button press, ideal for emergencies.
Solar
No

Solar

Incorporates a solar panel and charges from solar energy, suitable for outdoor activities and emergency situations.
USB
No

USB

Charges via USB cable, either from a computer or another source
With charger
No

With charger

Uses a charger for quick and safe recharging of the flashlight or its battery.

Lighting Specifications

Lumen
120 lm

Lumen: 120

Shows how bright the lens is, the more lumens there are, the brighter the lens is.


A flashlight with 100 to 200 lumens is ideal for camping use.
LED
Yes
UV
No

UV

Emits ultraviolet (UV) radiation for stain detection, banknote inspection, or special applications.
SOS
No

SOS

SOS emergency light emission mode for emergencies or alerts.
Strobe
No

Strobe

The strobe function is a mode that makes the flashlight blink rapidly, producing a pulsating light. Suitable for safety, cycling, and emergency situations.

Additional Features

Magnetic
No

Magnetic

With a built-in magnet, allowing it to stick to metal surfaces, such as cars, tools, or machines. 
Zoom
No

Zoom

Allows focusing the light beam from wide illumination to a narrow and strong beam.

Usage

Tactical
No

Tactical

Designed for professionals in demanding environments, such as security forces
Dual Function
No

Dual Function

Offers powerful, focused light for long-distance projection and wide, diffused light for area illumination. 

Durability & Protection

Explosive-proof
No

Explosive-proof

Constructed from materials and technology that limit the risk of ignition. Suitable for hazardous atmospheres such as industrial or mining zones.
Protection Certification
No

Protection Certification

IP (Ingress Protection) is an international standard (IEC 60529) that indicates the level of protection an enclosure offers against solid particles (dust) and water.

IP54 → resistant to dust and splashes (indoor / mild outdoor environment).

IP65 → completely dust-tight + resistant to water jets (very good for general outdoor use).

IP67 → completely waterproof + withstands temporary immersion (e.g. construction sites, outdoor areas with heavy rain).

IP68 → continuous use underwater (special applications, not typical for flashlights).

Batteries

Battery Type
Built-in Battery

Battery Type

Built-in Battery

It is built into the device and charges via a charging port, without requiring replacement.

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.

See all specifications

Description & Specifications

Product Number
502592

Dimensions

Type
Keychain

Type

Keychain
Very small flashlight that hangs on a keychain. Used for immediate lighting at short distances.
Rechargeable
Yes

Rechargeable

Operates with removable or built-in rechargeable batteries.
Weight
20 gr

Charge Type

Dynamo
No

Dynamo

Operates without batteries, with a handle rotation or repeated button press, ideal for emergencies.
Solar
No

Solar

Incorporates a solar panel and charges from solar energy, suitable for outdoor activities and emergency situations.
USB
No

USB

Charges via USB cable, either from a computer or another source
With charger
No

With charger

Uses a charger for quick and safe recharging of the flashlight or its battery.

Lighting Specifications

Lumen
120 lm

Lumen: 120

Shows how bright the lens is, the more lumens there are, the brighter the lens is.


A flashlight with 100 to 200 lumens is ideal for camping use.
LED
Yes
UV
No

UV

Emits ultraviolet (UV) radiation for stain detection, banknote inspection, or special applications.
SOS
No

SOS

SOS emergency light emission mode for emergencies or alerts.
Strobe
No

Strobe

The strobe function is a mode that makes the flashlight blink rapidly, producing a pulsating light. Suitable for safety, cycling, and emergency situations.

Additional Features

Magnetic
No

Magnetic

With a built-in magnet, allowing it to stick to metal surfaces, such as cars, tools, or machines. 
Zoom
No

Zoom

Allows focusing the light beam from wide illumination to a narrow and strong beam.

Usage

Tactical
No

Tactical

Designed for professionals in demanding environments, such as security forces
Dual Function
No

Dual Function

Offers powerful, focused light for long-distance projection and wide, diffused light for area illumination. 

Durability & Protection

Explosive-proof
No

Explosive-proof

Constructed from materials and technology that limit the risk of ignition. Suitable for hazardous atmospheres such as industrial or mining zones.
Protection Certification
No

Protection Certification

IP (Ingress Protection) is an international standard (IEC 60529) that indicates the level of protection an enclosure offers against solid particles (dust) and water.

IP54 → resistant to dust and splashes (indoor / mild outdoor environment).

IP65 → completely dust-tight + resistant to water jets (very good for general outdoor use).

IP67 → completely waterproof + withstands temporary immersion (e.g. construction sites, outdoor areas with heavy rain).

IP68 → continuous use underwater (special applications, not typical for flashlights).

Batteries

Battery Type
Built-in Battery

Battery Type

Built-in Battery

It is built into the device and charges via a charging port, without requiring replacement.

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.

Description

Ledlenser K4R 4GB Gray flashlight with multiple features: Flashlight enhanced with a 4GB memory card. Small in size and powerful, the K4R flashlight is ideal for your keychain. Its lighting power reaches 120 lumens, offering better lighting assistance than a smartphone flashlight. Charging is done via enclosed USB-A without the need for cables. With a compact "rugged" aluminum body, the flashlight combines high optical quality and ease of use, making it an ideal practical accessory for keys and more.

  • Flashlight with 4GB pendrive function
  • Tiny dimensions
  • Incredible efficiency – 120 lumens with a light range up to 30 meters
  • Easy to use
  • Transport safety
  • Fast charging via USB-A
  • Hook for easy hanging
  • Battery charge indicator
  • Low weight – 20 g

Product features:

  • Power supply: battery (Li-ion, 180 mAh, 3.7 V)
  • Material: aluminum
  • Light output: up to 120 lm
  • Light range: 30 m
  • Maximum operating time: 3.5 hours
  • Length: 52 mm
  • Protection rating: IP20
  • Weight: 20 g

Lighting functions:

  • Boost mode (instant maximum power): 120 lm - 30 m
  • Power: 80 lm – 25 m – 1 h
  • Low Power: 20 lm – 10 m – 3.5 h

Compatible measurements according to ANSI FL1. Values refer to the brightest setting. Included: K4R 4GB flashlight, Original, aesthetic Ledlenser packaging, Hook, loop for hanging the flashlight, Complete manufacturer documentation.

Manufacturer

Manufacturer Details

Warnings & Safety Information
20,72 €
14,00 €   shipping cost