CAS3/912X/9S12X IN CIRCUIT PROGRAMMER, you don't need to remove the micro from the board! You only connect 7 pins will be ok. It connects to PC by USB.
DigiMaster 18 is a programming machine with multifunction which can connect computer through the USB access. Apart from the ordinary functions, there are special models function.
NEC Programmer is a ECU Dash Programmer or ECU Flasher designed for Vehicles using the NEC MCU such as Citroen,Peugeot,Hyundai,Honda,Suzuki,Renault,Opel,Alfa,Chevrolet (please refer to the Applicable Models below) that allows you to modify/reprogram your car's computer or correct the odometer reading!
Tachpro Kit 2.0V is a odometer correction tool for universal car till 2004,it can not do newer car.
If you want to do miles for 2005-2008,you can choose tacho pro,if you want to do most car,you can choose digimaster 2 or digimaster 3.