Adesso Inc. Vista Remote Control Input Devices - ARC-1100<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Battery_Size - AAA </span></li><li><span class="a-list-item"> Usb - Yes </span></li><li><span class="a-list-item"> Wireless_Operating_Distance - 32.81 ft </span></li><li><span class="a-list-item"> Number_Of_Batteries - 2 </span></li><li><span class="a-list-item"> Height - 7.8" </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41cL%2BdUtrZL.jpg" noproxy>