CREE XML T6 LED Zoomable Flashlight Torch 18650 Batteries and AC Car Charger Material: 6061T Durable Aluminum Size(mm) :136.3mm(Length,can stretch to extent up to 157)x40mm(Head)x26.8mm(Body diameter) 5-mode adjustable Brightness,High/Mid/Low/Strobe/SOS Super Bright, blinding Effect . Suitable for Self Safety, hunting, cycling, climbing, camping and outdoor activity