Appearance color: Black
Headlight Size: 5.8 x 4 x 4.3cm(L x W x H) (Approx)
Head circumference: 42cm/16.4" (stretchy)

One button switch with 3-mode: 3w LED High,3w LED Medium, RED LED ON
Model of Battery required: 3 x AAA (Not included)
Model of LED: 3 Watt LED +1 Red LED
Water-Resistant, you can use it in a rainy day
Extensive Lifetime of LED (100,000 hours)
It can be a guide when you take cycle at night
Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures, Thank you!