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LEDLENSER K4R

Top-notch Lens tech for glare-free brilliance and Superior Energy Efficiency.

 

Rechargeable keychain light

The Ledlenser K4R is a compact and lightweight keychain light designed for everyday use. It features a rechargeable battery that can be conveniently charged through the integrated fold-out USB-A interface. This ensures a practical and user-friendly lighting solution.

Compacted brushed aluminum housing

Crafted from resilient brushed aluminum, the K4R features a robust yet lightweight housing that is resistant to scratches. This design ensures durability, making the keychain light ideal for regular use and capable of withstanding the challenges of everyday activities.

 

Durable Construction

Crafted with durability as a priority, the K4R is typically constructed using sturdy materials, enhancing its resistance to wear and tear. This design makes it well-suited for both outdoor activities and everyday use.

 

Rechargeable keychain light

The Ledlenser K4R is a compact and lightweight keychain light designed for everyday use. It features a rechargeable battery that can be conveniently charged through the integrated fold-out USB-A interface. This ensures a practical and user-friendly lighting solution.

Compacted brushed aluminum housing

Crafted from resilient brushed aluminum, the K4R features a robust yet lightweight housing that is resistant to scratches. This design ensures durability, making the keychain light ideal for regular use and capable of withstanding the challenges of everyday activities.

 

Durable Construction

Crafted with durability as a priority, the K4R is typically constructed using sturdy materials, enhancing its resistance to wear and tear. This design makes it well-suited for both outdoor activities and everyday use.

 

Beam distance of 30 meters

Designed for versatility, the K4R keychain light offers a compact and powerful solution with a beam distance of up to 30 meters. Its durable brushed aluminum housing, rechargeable feature, and convenient snap hook make it an essential everyday accessory for various activities, ensuring you have reliable illumination whenever and wherever needed.

Snap hook

The K4R includes a convenient snap hook, allowing you to attach it to your keychain, backpack, or belt loop. This feature enhances accessibility, ensuring the light is always within reach when needed.

Powerful Illumination

Compact in size, the K4R provides potent illumination through cutting-edge LED technology, delivering a bright and focused beam to meet diverse lighting requirements.
 

Beam distance of 30 meters

Designed for versatility, the K4R keychain light offers a compact and powerful solution with a beam distance of up to 30 meters. Its durable brushed aluminum housing, rechargeable feature, and convenient snap hook make it an essential everyday accessory for various activities, ensuring you have reliable illumination whenever and wherever needed.

Snap hook

The K4R includes a convenient snap hook, allowing you to attach it to your keychain, backpack, or belt loop. This feature enhances accessibility, ensuring the light is always within reach when needed.

Powerful Illumination

Compact in size, the K4R provides potent illumination through cutting-edge LED technology, delivering a bright and focused beam to meet diverse lighting requirements.
 

PRODUCT INFORMATION

VendorLedlenser
ColorBlack
Weight (in g)20
Beam distance  (in m) 30
Max. luminous flux (in lm) 120
Lightsource quantity 1
CRI 70
Lightsource color temperature 5000 – 8000
Runtime (in hours) 3
Rechargeable Yes
Charging time (in minutes) 180
DIMENSIONS
Length (in mm) 52
Head diameter (in mm) 25
Tube diameter (in mm) 25
Weight (in g) 20
MATERIAL
Materials PC
Water and dust resistance IP20
Drop test height (in m) 2
Working temperature (in C) -20 – 40

PRODUCT INFORMATION

VendorLedlenser
ColorBlack
Weight (in g)20
Beam distance  (in m) 30
Max. luminous flux (in lm) 120
Lightsource quantity 1
CRI 70
Lightsource color temperature 5000 – 8000
Runtime (in hours) 3
Rechargeable Yes
Charging time (in minutes) 180
DIMENSIONS
Length (in mm) 52
Head diameter (in mm) 25
Tube diameter (in mm) 25
Weight (in g) 20
MATERIAL
Materials PC
Water and dust resistance IP20
Drop test height (in m) 2
Working temperature (in C) -20 – 40

5 reviews for Ledlenser K4R

  1. Beth L.

    I’m thrilled with this! One light is dim, while the other is incredibly bright!

    It’s essential for use in hazardous locations.
    I purchased two additional ones as gifts.
    It’s ideal for attaching to your keychain!

  2. Ken Montgomery

    This compact light is fantastic. It’s just the right size for attaching to the dog’s leash. It maintains its charge effectively and emits a bright light, which can be blinding if critters approach.

  3. Suraj

    I am thoroughly impressed with this product. After reading reviews mentioning concerns about the switch accidentally turning on in the pocket, I was cautious, but I haven’t experienced this issue. The light is incredibly bright, and the battery life is exceptional. However, I did encounter an issue with customer service. I reached out regarding registration, mainly due to safety concerns with lithium polymer batteries. Unfortunately, I never received a response to my email. It’s disappointing that Ledlenser did not show the courtesy of addressing my inquiry.

  4. paul s rogers

    Extremely bright and remarkably compact. While it comes at a higher price compared to other lights I’ve tested, its brightness is significantly superior. I do wish it didn’t require a proprietary charger, as that’s quite inconvenient. Additionally, it’s far too easy to accidentally activate in your pocket, which likely contributes to the complaints about battery life. To address this, I wrapped mine in four layers of duct tape, and now I encounter no issues.

  5. Gyatri

    This light is Great to use, ideal for attaching to a pet leash. It maintains a good charge and is bright enough for home work.

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