Specification AudioOutputMode : Stereo Brand : Turning Technologies RF Receiver (for instructors) BulletPoint1 : Driver is preloaded on the operating system. Simply plug the receiver into the USB port and the device will immediately be recognized. BulletPoint2 : Range: 200 ft (400 ft coverage). Range can be increased by utilizing multiple receivers or our long range receiver. Choose from up to 82 radio frequency channels for simultaneous polling. BulletPoint3 : Capacity: Recommended for up to 1000 ResponseCards per (1) RF Receiver. Can be increased with multiple RF Receivers. BulletPoint4 : Display: Easy to read LEDs for status and response traffic. BulletPoint5 : Power and power management: Powered by USB port. Color : Black CompatibleDevices : Personal Computer, Tablet, Smartphone ConnectivityTechnology : USB ConnectorType : USB ItemName : Turning Technologies RF Receiver RRRF-02 for Responsecards ItemPackageDimensions_Height : 0.508 centimeters ItemPackageDimensions_Length : 11.684 centimeters ItemPackageDimensions_Width : 9.398 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : audio-component-receivers Manufacturer : Turning Technologies, LLC ModelNumber : RRRF-02 OutputPower : 1 watts PartNumber : 8541737452 ProductDescription : Turning Technologies Instructor RF Receiver RRRF-02 used for collecting responses from Responsecard NXT Keypads RCXR-02. Comes with the software. ProductSiteLaunchDate : 2012-12-28T08:00:00-00:00 SurroundSoundChannelConfiguration : 5.1 UnspscCode : 52160000 WirelessCommunicationTechnology : RF