Main Features Manufacturer: Pharos Science & Applications, Inc Manufacturer Part Number: PB010 Product Name: iGPS-500 GPS Receiver with USB Cable Marketing Information: Pharos' iGPS-500 convertible receiver is small, slim and highly sensitive and connects to your laptop via a USB cable which is included. With third party mapping software such as Microsoft Streets & Trips you can now accurately view your position in real time. Product Type: Add-on GPS Receiver Connectivity Technology: Cable Number of Channels: 12 Acquisition Time: Cold Start 35 Second , Hot Start 1 Second Display Screen: Not Applicable Interfaces/Ports: 1 x USB 2.0 - USB Dimensions: 1.3" Height x 1.4" Width x 0.5" Depth Weight: 0.6 oz