Garmin GPSMAP 64st， TOPO U.S. 100K with High-Sensitivity GPS and GLONASS Receiver<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Sunlight-Readable 2.6" color display </span></li><li><span class="a-list-item"> Expanded Internal Memory 8GB </span></li><li><span class="a-list-item"> DUAL BATTERY SYSTEM Use with 2 traditional AA batteries， or the optional rechargeable NiMH battery pack that can be charged while inside the device.Weight 8.1 oz (230 g) with batteries </span></li><li><span class="a-list-item"> Receive Smart Notifications* and pair with optional ANT+ sensors， such as heart rate monitor， Tempe temperature sensor， speed/cadence， or use to control your VIRB action camera (64s/64st only) </span></li><li><span class="a-list-item"> Wirelessly upload data to Garmin Connect and view on smartphone， plus share activities as they happen with Live Track (64s/64st only) </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41E3pCHp0gL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31AUqNZihtL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41E3pCHp0gL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31u9vNp178L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41r3TA03%2BjL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31je-MlRvmL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41JsSGNxv1L.jpg" noproxy>