155 lumen led lightweight head torcia with adjustable beam angle 17-62 metri adjustable beam, with 7 lighting modes in c l ud in g sos flashing Ipx6 water resistant b with adjustable head strap 1 x aa alcaline battery (incluso) a up to 35 or battery l Cree xpg3 s2 white led a 5mm red led (x2)