Illuminated door sill plate having changeable batteries

An illuminated door sill plate comprising:

• a base including an elongated case and a waterproof plate connected with a bottom of the elongated case so as to form an accommodation space between the elongated case and the waterproof plate, a PCB accommodated in the accommodation space and having a light-emitting diode (LED), a light guide plate between the elongated case and the PCB, and at least one changeable battery, wherein the elongated case has a light emitting portion arranged on the elongated case, multiple engagement portions arranged on two long sides of the elongated case, at least one first receiving orifice defined proximate to two short sides of a top of the elongated case, and at least one battery cover configured to cover the at least one first receiving orifice;
• and
• a removable cover including an elongated body connected with a nameplate, and the nameplate including a light transmission portion formed on center of the nameplate in character shapes and configured to transmit lights, an elongated groove formed on center of a top of the elongated body, and multiple hooks extending from two long sides of the elongated groove and engaged with the multiple engagement portions so that the base is connected with or is removed from the removable cover;
• wherein two ends of the removable cover accommodate two magnets so as to be attached on a car door threshold.