This is the Eagle Tree R/C Flight Data Recorder V2. FEATURES: New smaller USB Flight Data Recorder Integrated RPM and temperature sensing Flight data recorder with USB port for reading flight data Continuous inflight logging of: ailerons, rudder, throttle, elevator, altitude, airspeed and receiver battery voltage USB based PC flight playback After you have flown you can review the flight with your PC, you"ll be able to review: -Notifications - information about the flight -Airspeed - airspeeds from 9 to 290 mph -Altitude - information in graphic and numeric format - will record up to 25,000 feet -Flight Length/Progress - records total length of flight or up to a certain point -Max/Min/Current - When stopped, these readouts indicate the max airspeed detected, the lowest battery voltage detected and the highest altitude detected When playing back, these meters indicate the current speed, battery current speed, battery level and altitude Battery Voltage - indicates the current voltage during playback Fully compatible with Windows 98SE, ME, Windows 2K and XP INCLUDES: Flight Data Recorder USB cable Four "Y" cables with Futaba J plugs Pitot tubing Plastic Pitot tubing extension 1 Temperature Sensor 1 RPM sensor Two sets of magnets Battery backup harness Setup Cd-Rom Instruction sheet REQUIRES: A plane that is large enough to accomodate the extra equipment SPECS: Flight recorder:Length: 1-15/16" (49mm) Width: 1-5/16" (32mm) Height: 11/16" (16mm) Current draw: 35 mA Recorder weight: 1 oz Recorder weight with cables: 1.5 oz Voltage: 4.8-6.0v COMMENTS: Electric Expander: ETRP9001 ajw 06/07/04 ir/jxs