The EVO5 data logger has an aluminum case with 4GB of on board memory, built-in 3 axis G sensor, built-in 3 axis gyro (yaw) sensor and two mil-spec connectors. The basic EVO5 kit includes a 37 pin main harness wired for 4 analog channels, 1 digital speed channel, RPM, CAN ECU, K-Line, Square Wave, CAN expansion, GPS and USB bulkhead connector. An external GPS module (magnetic or roof top version) for vehicle speed and lap timing, USB communication cable, Race Studio 3 software CD and user manual are also included. Configure, calibrate and download data wirelessly over a secure 802.11 WiFi connection. Displays (GS-Dash or Formula Steering Wheel 3), 22 pin expansion harness, sensors and 719 patch cables are sold separately.