Race Computer by Velocitek – small, light GPS speedometers in a watertight housing. The very precise GPS receiver determines highly exact speed data which can be recorded for up to 40 hours. When set to VMG mode, the device provides precise data about the distance between two defined points. In speed mode, the current speed above ground, the maximum and the best speed average are stated averaged over 10 seconds. Saved data can be downloaded and then analysed. Dimensions: 12 x 17.5 x 4 cm, weight: 448g.