Why to use it

The best luminous quality in the LED market.
Provides a confortable, uniform white light with 100 degrees of visibility angle.
It reaches the power light of 15 white LEDs and 7-8 times the efficency of an incandescent lamp.
Very easy to place into Duo Petzl.
No modification required.
The best and cheapest solution to upgrade Duo Petzl and other lighting systems.