Please according to your own measurements to choose your suitable size. The tags inside the items will show in our Asian (Type) size.
Built-in battery capacity
Rechargeable Headlamp: This headlamp included built-in battery recharge directly with USB cable.
Motion Sensor Head Lamp: When engaged you just wave your hand in front of the lamp to turn it off or on.
Lightweight Handfree Headlamp: This led light with elastic head band,which is comfortable,durable,adjustable and washable,you can adjust it what you want.
Waterproof Camping Headlamp: This headlight is protected against splashing or spraying water,it is perfect for emergency,fishing,hiking,home inspection,outdoors.it sold tens of thousands pcsc,highly recommend.