NU40 - Max Output 1,000 lumens - Max Beam Distance 100 m - Max Beam Intensity 2700 cd - Max Runtime 120 h 0 m / 5 d - Battery Built-in 2,600mAh Li-ion Battery - Special Modes Location Beacon, SOS - Beam color White Light, Red Light - Dimensions 79.8mm x 46.1mm x 43.9mm (3.14" x 1.81" x 1.73") - Weight 116 g / 4.09 oz - Feature Rechargeable - Activity Outdoor/Camping