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