This is the Hitec HTS-NAVI 2.4GHz Wireless Telemetry Navigator. FEATURES: Compatible with any radio fitted with Hitec AFHSS system Allows user to receive essential telemetry data on a PC without cables Displayable telemetry info includes; Receiver or Power Battery Voltage RPM Fuel Level Current Temperature Voltage GPS (Altitude, Distance, Latitude, Longitude, Speed, Direction and Trajectory) INCLUDES: Hitec HTS-NAVI 2.4GHz Wireless Telemetry Navigator REQUIRES: HTS Sensor Station and Telemetry Sensors SPECS: Dimensions (L x W x H): 3.1 x 0.88 x 0.55" (76 x 22.3 x 14mm) without antenna jxs 09/02/11 ir/jxs