General Brand: Rosewill Model: RHRC-11002 Features Features: Include all of the buttons and functions necessary for Microsoft certification, including official Green Button49 button remoteRC6 IR protocolSmall USB dongle style receiverUse standard Microsoft drivers, no software to install Specifications Type: Windows 7 &MCE Remote control Wireless Technology: Infrared Receiver: USB IR Receiver Battery Type: AAA battery (x 2) Color: Black Dimensions & Weight Dimensions: 2.13" x 7.09"x 0.79" Weight: 3.17 oz.