Impact resistant. Water resistant. OSRAM P9 LED. Modes: High (600 lumens, 4h 30m runtime); Low (35 lumens, 55h runtime). 180m beam distance. Y-type partial pressure headband. 360 degree focus adjustable. 60 degree headlight angle adjustable to adapt to environment. Aluminum and polymer construction. Requires (3) AA batteries (included). Boxed with hanging tab.