LED light device has special effects

A DC powered LED night light, including:

• at least one LED light source;
• an interchangeable DC power source unit having a casing that encloses a DC power source and a circuit connected with the DC power source, and from which at least one electrical connection means for electrically connecting the at least one LED extends;
• and
• a main housing within which the interchangeable DC power source unit is removably secured and from which the casing of the DC power source unit is separable;
• wherein the circuit incorporates at least one of a sensor or switch, a drive circuit, and an integrated circuit or electric parts and accessories to control the at least one LED for predetermined light effects and functions,
• wherein the electrical connection means for electrically connecting the at least one LED extends from and is exposed to an outside of the casing of the interchangeable DC power source unit,
• wherein the interchangeable DC power source is configured to be replaced by an AC power sealed-unit that uses the same electrical connection means,
• wherein when the interchangeable DC power source unit is removably secured within the main housing, the electrical connection means electrically connects the interchangeable DC power source to the at least one LED, and light from the at least one LED passes through a material of the main housing, and
• wherein the material of the main housing is printed or painted such that patterns or features formed by the printing or painting are visible against a glowing background provided by the light passing through the material of the main housing.