The St8916 Multi-Function Display System Combines The Proven Benefits Of Integrated Stack Display Systems With The Latest Stack Multi-Function Technology. The Stack Mfd Comes Standard With 14 Inputs (Enough To Handle Most Drivetrain And Driver Input Data Streams) And Can Be Expanded To Monitor Up To 45 Channels For More Advanced Users. System Includes Internal Voltage Channel, 3 +/- 6G Internal Accelerometers, And Lap Sensor Channel Standard As Well As 4 Universal Pulse (Speed) / Analog (0-5V) Inputs And 6 Standard Analog (0-5V) Inputs. Lap Beacon Receiver And Wheel Speed Sensor Standard, To Enable Engine Rpm, Wheelspeed, G-Force Data And Track Mapping Out Of The Box. Stack Mfds Have 32Mb Of Memory, And User Selectable Channel Recording Frequencies Of Up To 200Hz (200 Samples Per Second) With 10 Bit Resolution (16 Bit Digital Inputs Optional), With A Maximum System Sample Rate Of 4000 Samples Per Second For A Total Of 20 Channels Able To Be Recorded At Maximum Frequencies For Extremely Detailed Data Analysis.