depends who you ask
Moonlight mode:3Lm
Low mode: 148Lm
Mid mode: 292Lm
Hiigh mode: 595Lm
Turbo mode: 870Lm
Ultra-low; 10 lumens
Low; 150 lumens
Medium; 300 lumens
High; 600 lumens
Turbo; 920 lumens
there is a review here, but it actually does not say what the lumen levels are, but it has other info and photos you may enjoy