<div>Aviation grade aluminum alloy:6N01-T6</div><div>Brightness:70 lumens</div><div>CREE XPE2 R3 LED 1W </div><div>Use alkaline 2AA battery</div><div>Tail light switch</div><div>Waterproof grade IPX-4</div><div>Diameter/length:27.5mm/158.3mm</div><div>Net weight:76g(without battery)</div><div>Packed by double blister</div><div><br></div>