The utility model discloses a telecontrolled model car device based on WIFI, including model car subtotal control section, control section the computer is in with the connection game paddle on the computer, model car part is including image gathering module, control module, WIFI module and motor module, the motor module includes steering wheel and brushless motor, image gathering module, WIFI module, steering wheel and brushless motor equally divide do not with control module is connected the utility model provides a telecontrolled model car device based on WIFI installs the camera additional on the model car to utilize radio transmission technology, the image data who gathers the camera transmits for the operator, makes exact remote control for the operator, very big improvement the working range of telecontrolled model car, and it is energy -conserving to consume slowly, can satisfy the amusement demand as the toy, also can replace the mankind to be engaged in the detection work under the hazardous environment.