HA11 - Max Output 240 Lumens - Max Beam Distance 90 m - Max Beam Intensity 1600 cd - Max Runtime 40 h 0 m / 1.66 d - Battery 1 × AA - Special Modes Location Beacon, SOS - Beam color White Light, Red Light - Dimensions 61.5mm x 36.2mm x 28.9mm (2.42" x 1.43" x 1.14") - Weight 36 g / 1.27 oz - Activity Outdoor/Camping, Hiking/Trekking, Trail Running, Night Running