Can change the LED lamp of colour temperature

The utility model discloses a can change the LED lights of colour temperature, including power adapter, cool tone LED illuminating part, warm tones LED illuminating part and switch, power adapter includes rectification reduction voltage circuit, singlechip chip and DC output, and the illumination return circuit is formed after making the polar phase inverse parallel to cool tone LED illuminating part and warm tones LED illuminating part, and the both ends in illumination return circuit are connected on DC output respectively. The utility model discloses installed the light emitting source of two kinds of different colour temperatures simultaneously in same lamps and lanterns, can realize checking colors warm selection, simple structure, convenient operation under the circumstances of not changing lamps and lanterns.