Features:* Cree XM-L T6 LED chip: Utilizes Cree XM-L T6， max output reaches up to 3000Lm* 3 brightness level: High - low - strobe*Focus adjustment: Rotate to adjust focus to meet your different demands* Boost circuit: Provides great flexibility in input voltage and will boost the voltage as appropriate to make the most use of batteries* Highly reliable 6061-T6 aluminum alloy: To protect against drops and scratches Specifications: Model of LED: CREE XM-L T6 LEDLife span:100，000 hoursWaterproof but not means it can be used in water.Model of Battery required:1 x 18650 Battery 3.7v / 3 x AAA Battery (Battery Not Include)Color:GraySize:135mm x 30mm(Head Dia)/28mm(body)Weight:125g Package Content: 1 X CREE XM-L T6 LED Zoomable Flashlight (Battery Not Include)1 X 3AAA Battery Holder1 X 18650 Battery Holder1 x 4200mah 18650 battery1 x US/EU Charger