The T440 head torch might be small, but its features list and light output are definitely not. It includes an inbuilt rechargeable lithium battery, USB charging, up to 440 effective lumen light output, hands-free sensor on/off function and multiple light modes including spot and flood beams.

FEATURES
Up to 440 effective lumens light output
Genuine CREE XP-G3 LED chip
Hands-free sensor on/off function
Aluminium heatsink
Solid battery life
IP66 waterproof rating
Strong, long-lasting headband
High-quality materials and sturdy construction

SPECS
Materials 6061 aluminium alloy housing/heatsink
ABS plastic outer
CR-39 abrasion resistant resin lens
LED type Genuine CREE XP-G3 S3
Ingress protection IP66
Weight 56.5g
Colour temperature 6000K
LED Lifespan 50,000+ hours
Certifications CE, RoHS, C-Tick

LIGHT MODES
Turbo (combo beam): 440Lm output, Beam Distance 100m, Battery Life 2.5h
High (spot beam): 330Lm output, Beam Distance 99m, Battery Life 4h
Low (spot beam): 100Lm output, Beam Distance 55m, Battery Life 8h
High (flood beam): 120Lm output, Beam Distance 16m, Battery Life 8h
Low (flood beam): 10Lm output, Beam Distance 5m, Battery Life 70h