Fully adjustable and washable headband; Easy-open battery case make the headlamp remarkably simple to use , An ambient mode reduces brightness to avoid blinding others in hiking or camping groups; Compatible with rechargeable Ni-MH batteries , A proximity lighting mode increases brightness for full close-range vision; A push button for mode selection , Two lighting modes provide appropriate light for different situations; Three AAA / LR03 batteries included , An elastic headband mount provides hands-free lighting; Weather resistant