This device a tool for the car to be run; using a touch password nobody knows except the owner of the car. As a result, it??ll be so hard for thieves to steal the car or for children to play with keys and losing them. The idea of the device is mainly about connecting digital circles to the battery then when the consumer enters the correct password, the engine of the car runs, otherwise the car will stop working. So, it??ll be easy to get rid of the key and avoid the risk of losing it or losing the car. The device is consisting of a digital circle which controls 4 electrical tools in the car which by default control the car to be stopped or run by the microcontroller in its software.