All of the following text is taken directly from the manufacturer's web page: http://www.motec.com/m400/m400overview/

The M400 is a powerful and cost effective ECU for modern four cylinder and two rotorapplications. Using advanced M800 technology, it controls the latest automotive innovations such as continuously variable camshaft timing and drive by wire throttle.

It is fully programmable and has been designed with high performance road cars and racing vehicles in mind. Install it as a stand-alone ECU or as part of a complete motorsport-ready engine management and data acquisition solution. 

BASIC SPECIFICATIONS

Outputs

• 4 x Injector outputs—high or low ohm
  

• 4 x Ignition outputs

• 8 x Auxiliary outputs—for functions such as camshaft control, drive by wire throttle, boost control, nitrous injection, idle speed stepper motor and many more

Inputs

• 8 x Analogue voltage inputs—fully configurable including custom calibrations

• 6 x Analogue temperature inputs—fully configurable including custom calibrations

• 1 x Wideband Lambda input—for Lambda measurement and control

• 4 x Digital/speed inputs—for wheel speeds and function activation

Communications

• 1 x CAN

• 1 x RS232

Physical

• Case size 147 x 105 x 40 mm
  
• Weight 500 gram
• 1 x 34 pin and 1 x 26 pin waterproof connector with gold plated contacts