CustomDUO modules

Omni 'simple' Specification 

  • 3 regulated light level settings; low, medium and high  
  • 70 lumen flood, 170 lumen flood and 340 lumen flood and spot
  • Will work with any original pre 2018 Petzl Duo - the Cavers Duo!
  • 3 second 'last mode' memory 
  • Forward bias flood optic, for optimal use of light output, plus focussed spot optic
  • Latest high power Cree XP-G3 LEDs s5 5000k (172 lumen @ 350mA @85degC)
  • Robust circuit architecture with custom heat sink 
  • Simple push fit directly into existing Petzl Duo pilot bulb connection
  • No power drain on batteries when lamp is switched off
  • Can be fitted, tested and removed again in seconds. Fitting Guide
  • 6.0 volt maximum input (4x AA batteries)
  • Progressive dimming at end of battery charge













As the name suggests, the 'simple' is a no frills version of our popular Omni module, for the Petzl Duo. Aimed at those who like the operation of their caving lamp to be really straight forward, yet practical, with light output up to 340 lumen. 





Spot LED

Flood LED




(est.  using 2500mAh

1 (fixed)



70 lumen

16 hours

2 (fixed)



170 lumen

7 hours

3 (fixed)



340 lumen

3 hours

Omni 'simple' (discontinued)

To switch between the three light output levels, use the down switch on the Petzl Duo. Switch on-off-on-off to move between settings 1-2-3- ... 1-2-3 etc, in a looping sequence. 

The Omni 'simple' features a 3 second 'last' mode memory. When lamp has been on for more than 3 seconds in any setting and is switched off, then it will automatically restart in the last used setting when next switched on. 




New Simple now available