Functions :

— Full power (100%)---30%---low power (10%)---Strobe Mode (10HZ)---SOS

— 1. 100% brightness: Press down fully on the activation button until an audible/tactile click occurs. (3 hours in high , with the output 240Lm)

----2. 30% brightness: Press down half way on the switch button to the next mode (8 hours in 30% brightness , output: 100Lm)

-----3.10% brightness: Press down half way on the switch button to the next mode (20hours in 10% brightness , output : 30Lm)

-----4. Strobe Mode: Press down half way on the switch button to the next mode (5 hours , 150Lm)