K4R Keyring Light 2022

The big little light on your keyring! The K4R is a keyring lamp that raises performance, technology and design up to a new level.


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Not only does this lamp fit on your keyring and look great in a sleek aluminium case, but it also provides up to 120 lumens of light. All this from something this small is a true technological breakthrough.

Now available in Rose Gold and features a handy transport lock to prevent the light being activated whilst in your pocket. Charging your K4R is as easy as plugging in the integrated USB into a charging port, no need for a charging cable.

The Ledlenser K4R Keyring Light is covered by a one year warranty.

Brightness (boost)120 lumens
Brightness (high)80 lumens
Brightness (low)20 lumens
Beam Range (boost)30m
Beam Range (high)25m
Beam Range (low)10m
Burn Time (high)1 hour
Burn Time (low)3.5 hours
Head diameter25mm
BatteryLi-ion polymer 3.7v
Battery capacity180mAh
Recharge Time3 hours
  • Aluminium alloy casing
  • Extremely compact in size yet powerful with 120 lumen output
  • Rechargeable via integrated USB
  • Wide beam
  • Metal snap hook
  • 3 light functions (boost, high, low)
  • Battery + Charge indicator



The Ledlenser K Series Keyring Lights are covered by a one year warranty. This warranty does not cover abuse, alteration, theft, loss, or unauthorised and/or unreasonable use of your Ledlenser product. This warranty does not cover sheaths, accessories, imprinting, or colour finishes.

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