size 1=US Charger，size 2=EU ChargerHigh quality and ultra bright CREE T6 LED diving flashlight.More than 30 meters effective distance of light under the fresh water.8 switch modes: rotate switch to the left (4 modes) or right (4 modes).High tech bright LED with extremely long working life.Be made from high quality aluminum alloy， heavy duty and durable enough for long time daily use.Ideal for diving， exploration， rescue， anti-disaster， camping and other emergent situations.Specifications:LED type: CREE XM-L T6Light color: WhiteMaterial: Aluminum alloyLumen: 2000LmWaterproof level: IPX8Battery: 1 * 18650 or 26650 battery (not included)Switch: ON/OFF(Rotary switch)Item size: Approx 15 * 5.3 * 3.3cm / 5.91 * 2.09 * 1.3in(Length * head/bottom diameter)Item weight: 176g / 6.22ozPackage size: 16 * 6 * 6cm / 6.3 * 2.36 * 2.36inPackage weight: 219g / 7.71oz Package includes:1 * LED Diving Flashlight1 * Charger1 * 26650 Battery