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LedLenser Rechargeable Keychain Flashlight LED IP20 with Maximum Brightness 120lm K4R Gray
Flash Lights

LedLenser Rechargeable Keychain Flashlight LED IP20 with Maximum Brightness 120lm K4R Gray Code: 502574

The Ledlenser K4R is a rechargeable flashlight with a particularly stylish appearance. Its use is simple and easy as it is activated by pressing a button. The SOS function can be activated with the...

The Ledlenser K4R is a rechargeable flashlight with a particularly stylish appearance. Its use is simple and easy as it is activated by pressing a button. The SOS function can be activated with the same button if you press it for 3 seconds.

It features a small clip for easy transport, so you can attach it to your keys and have it available whenever you need...

See full description See full description

  • 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.
  • See all
Product report

Description

Description

The Ledlenser K4R is a rechargeable flashlight with a particularly stylish appearance. Its use is simple and easy as it is activated by pressing a button. The SOS function can be activated with the same button if you press it for 3 seconds.

It features a small clip for easy transport, so you can attach it to your keys and have it available whenever you need it.

  • Luminous flux: Up to 60 lumens
  • Color temperature: 5500 to 6500
  • Beam range: up to 10 meters
  • Dimensions: 50 x 22 mm
  • Weight: 17g

Manufacturer

Manufacturer Details

Warnings & Safety Information
See full description

Specifications

Specifications

Product Number
502574

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
17 gr
Length
5 cm

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
Yes

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
Yes

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
IP20

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

Reviews (2)

Reviews

2
0.0
There are no verified reviews
Review this product
  1. 1
  2. 4 stars
    0
  3. 3 stars
    0
  4. 2 stars
    0
  5. 1
Review this product
  • groubis
    5
    0 out of 1 members found this review helpful
    groubis

    By far the best small rechargeable EDC flashlight, excellent quality and performance much superior to the nite core ones. With a few extra bucks, there is also the K6R which has 400 lumens and red light.

    Translated from Greek ·
    • High light intensity
    • Construction quality
    • Weight
    • Drop resistance
    • Value for money
    • Focusing
    • Weight distribution
    Did you find this review helpful?
  • 1
    1 out of 1 members found this review helpful
    leyteris_litinas497

    It's rubbish, it's not worth it. The switch broke within a month. I do not recommend it.

    Translated from Greek ·
    • Moderate light intensity
    • Weight
    • Focusing
    • Construction quality
    • Value for money
    Did you find this review helpful?
  • groubis
    5
    groubis

    By far the best small rechargeable EDC flashlight, excellent quality and performance much superior to the nite core ones. With a few extra bucks, there is also the K6R which has 400 lumens and red light.

    Translated from Greek ·
    0
  • 1
    leyteris_litinas497

    It's rubbish, it's not worth it. The switch broke within a month. I do not recommend it.

    Translated from Greek ·
    1
  • See all

Description & Specifications

Product Number
502574

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
17 gr
Length
5 cm

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
Yes

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
Yes

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
IP20

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

The Ledlenser K4R is a rechargeable flashlight with a particularly stylish appearance. Its use is simple and easy as it is activated by pressing a button. The SOS function can be activated with the same button if you press it for 3 seconds.

It features a small clip for easy transport, so you can attach it to your keys and have it available whenever you need it.

  • Luminous flux: Up to 60 lumens
  • Color temperature: 5500 to 6500
  • Beam range: up to 10 meters
  • Dimensions: 50 x 22 mm
  • Weight: 17g

Manufacturer

Manufacturer Details

Warnings & Safety Information

Reviews (2)

2
0.0
There are no verified reviews
Review this product
  1. 1
  2. 4 stars
    0
  3. 3 stars
    0
  4. 2 stars
    0
  5. 1
Review this product
  • groubis
    5
    0 out of 1 members found this review helpful
    groubis

    By far the best small rechargeable EDC flashlight, excellent quality and performance much superior to the nite core ones. With a few extra bucks, there is also the K6R which has 400 lumens and red light.

    Translated from Greek ·
    • High light intensity
    • Construction quality
    • Weight
    • Drop resistance
    • Value for money
    • Focusing
    • Weight distribution
    Did you find this review helpful?
  • 1
    1 out of 1 members found this review helpful
    leyteris_litinas497

    It's rubbish, it's not worth it. The switch broke within a month. I do not recommend it.

    Translated from Greek ·
    • Moderate light intensity
    • Weight
    • Focusing
    • Construction quality
    • Value for money
    Did you find this review helpful?
  • groubis
    5
    groubis

    By far the best small rechargeable EDC flashlight, excellent quality and performance much superior to the nite core ones. With a few extra bucks, there is also the K6R which has 400 lumens and red light.

    Translated from Greek ·
    0
  • 1
    leyteris_litinas497

    It's rubbish, it's not worth it. The switch broke within a month. I do not recommend it.

    Translated from Greek ·
    1
  • See all
19,90 €
14,00 €   shipping cost