Klarus ST12 Lightweight Flashlight with XM-L2 U2 1A LED & 900 Lumens

£74.95 GBP
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The ST12 from Klarus is an amazingly powerful (900 ANSI lumens from its XM-L2 U2 1A LED) and thoughtfully designed all-round flashlight for everyday use, camping/ walking, engineering work and as a police and security duty light. Weighing only 134.6g (Excluding batteries), this is a very lightweight yet powerful flashlight.

The ST12 has an anti-roll design, grippy knurling, a flat bottom for tail-standingthe light and using like a candle, a flat stainless steel bezel at the front, a smooth reflector and a super bright XM-L2 U2 LED that outputs 900 ANSI lumens over a 212m range.


  • CREE XM-L2 U2 1A LED with max 900 lumens
  • Simple operation using single switch located on the flashlight neck. Short press to turn ON or to change MODE
  • Compact and lightweight design, suitable for everyday carry and outdoor use
  • Intelligent memory function memorises user habits, to instantly activate your favoured mode
  • IPX-8 waterproof for use in wet weather
  • Stainless Steel bezel design protects the lens and reflector system from drops and impacts
  • Additional "Lock" function enables you to "lock-up" the flashlight to prevent accidental or unnecessary activation



  • CREE XM-L2 U2 1A LED with a lifespan of up to 50,000 hours
  • Lighting Mode: High/Medium/Low/Strobe/SOS
  • Material: Aluminium alloy
  • Reflector: Smooth reflector
  • Lens: Toughened ultra-clear mineral glass with anti-reflective coating
  • Battery: 1 x 18650 or 2 x CR123A
  • Body: Military grade Ha type III anodisation - Black
  • Working voltage:  3V - 6.4V
  • IPX-8 rating (underwater 2 meters)


  • Length: 133.7mm
  • Head: 34.5mm
  • Body: 25.4mm
  • Weight: 134.6g (Excluding batteries)

What you get

  • ST12 Flashlight
  • Lanyard
  • Spare O-ring 
  • Keychain
  • 2 x CR123A batteries FREE

24 Month Warranty

This torch comes with a 24 month warranty from the manufacturer, Klarus. See the User Manual that comes with the Klarus torch.


  • ON/OFF: Short press to activate constant-ON, Depress 1 second for OFF.
  • Mode Change: Short press to change MODE (High-Middle-Low).
  • Memory Function: When a lighting mode is switched on for more than 3 seconds, the mode will be memorised. The device will then automatically return to this mode when next turned on.
  • STROBE/SOS: Double press switch to activate STROBE whether the flashlight is ON or OFF, double press again for SOS. Press once to return to original state.
  • Locking-function: Depress and hold down the switch for 5 seconds (from ANY mode) until the flashlight flickers twice. The flashlight is now locked.
  • To unlock the flashlight, depress the switch three times in quick succession and the flashlight will again flicker twice to indicate that it is active.

Output & Runtimes:

  • High Mode: 900 Lumens / 2.5 hrs
  • Medium Mode: 400 Lumens / 5 hrs
  • Low Mode: 80 Lumens / 25 hrs
  • Strobe: 900 Lumens / 7.5 hrs
  • SOS: 900 / 11.2 hrs



0% finance is available on all orders over £275 from our finance partner Pay4Later. You can choose from 6, 10 or 12 months 0% interest, with as little as 10% deposit and up to a maximum of 50%. Simply select "Finance" at the checkout and click on the link to Pay4Later.

If you have any questions, please don't hesitate to call us on 01535 610066 and we can guide you through the whole process.

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