with this practical hip bag with 5 LED warning lights you are well prepared for all outdoor activities. two separate compartments. output for headphone cable. with reflective elements. splash-proof with sealed zipper.Battery: 2 x CR 2032Material: PVC Lycra/polyester/nylon/TPUpolybagdimensions: 84 x 9.8 x 1 cmweight: 137 gorigination:on buckle in white or silver, 20 x 10 mm (D2)