Weighing only 12 oz the k3 offers dependable light output in a micro sized package burn time up to 50 hours effective range 0 113 feet dimensions 68 mm x 20 mm weight 34gms power supply 4 x ag13 batteries included key features weighs only 12 oz one handed speed focus small lightweight but powerful with 14 lumens whats included k3 key ring torch available in black or titanium finish gift box4 x ag13 batteries