head lamp 3W white led & white COB led
3W white led: 150 lumens, spot lighting
white COB led: 250 lumens, flood lighting
two switches
one switch (3W white led): 100% on, 30% on, flash
long pressing switch 2 seconds, activate sensor function, 3W white led can be ‘100% on’ and off by waving gesture in front of head lamp (within 10 cm)
another switch (white COB led): 100% on, 30% on, flash
material: ABS & elastic, waterproof (IPX4), swivel head (45°) 
size: 6.7 x 4 x 4.5 cm, weight: 55g (battery excluded)
power: 3 ‘AAA’ batteries (excluded)