HOBBYHOT &trade; SKYRC RC Model GSM-010 R/C Hobby GPS Speed Meter SM600 with Android Apps Special Bundle This gadget is ideal for RC racing/flying and casual biking, driving and long journey. User could easily view the screen while working out data such as speed, altitude total mileage/kilometre, longitude/latitude. The gadget records the top speed and top altitude for instant recall after the running. It will help RC fans much to fine-tune their RC gadgets to achieve better performance. Details:-  Compact and easy to carry  Speed meter with top speed memory  Top altitude  GPS Coordinator  Built-in 4M flash (recording time: 6 hours)  UTC timestamp logged for each track point GpsLogger Software:- You can use SkyRC application software "GpsLogger"to transfer the log data to PC and easily export the log data to "Google Earth" Please visit Google Earth website http://earth.google.com for more information. Transfer the log data to PC and show the track data on Google Earth  Save the log data to PC  Select the language between English and Chinese  Change Metric and Imperial system of measurement  GPS update rate selection  Firmware upgradeDownload and Upgrade software available at http://www2.ripmax.net/Software/O-SKYGPSM_Software.zip Built-in rechargeable LiPo battery 200mAh. Operating time: 150 minutes Supports Metric and Imperial measurements. PC link for data logging and google map. Firmware upgradeable. 32 parallel satellite channels. Receiver: L1, 1575.42 MHZ. Frequency: 1.023 MHZ. Update frequency: 1 Hz. Antenna type: Built-in Satellite. signal reception sensitivity: -159dBm. Operating temperature: 0 to +50C. Storage temperature: -10 to +60C. Operating humidity: 5% to 90%. Dimensions: 65.7 x 39.6 x 20.8mm. Weight: 41g.