Streamlight 88061 ProTac 1L-1AA 350 Lumen Professional Tactical Flashlight with High/Low/Strobe Dual Fuel use 1x CR123， 1x AA or 1xAA Li-iON<div style="text-align: left;"><strong>[Product Information]</strong><ul><li id="replacementPartsFitmentBullet" class="aok-hidden" data-doesntfitmessage="We're not sure this item fits your " data-fitsmessage="This fits your "><span class="a-list-item"><span id="replacementPartsFitmentBulletInner"><a href="#" class="a-link-normal hsx-rpp-fitment-focus">Enter your model number</a>to make sure this fits.</span></span></li><li><span class="a-list-item"> 350 Lumens On High with 1.5 Hours Run Time with CR123A Lithium Battery </span></li><li><span class="a-list-item"> Uses One CR123A Lithium Battery， One AA Alkaline OR AA Lithium Batteries </span></li><li><span class="a-list-item"> 150 Lumens On High and 1.3 Hours Run Time with AA Alkaline Batteries </span></li><li><span class="a-list-item"> 150 Lumens On High With AA Lithium Batteries: Run Time is 4.25 Hours </span></li><li><span class="a-list-item"> Durable， Anodized Aluminum Construction </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/4127CQ4EsNL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41ZHhkp9juL.jpg" noproxy>