low power consumption,Cheap to run (save electricity) Climate friendly convert energy to light, not heat. Easily add into existing low voltage landscape lighting. It have to be used in rated voltage. Suit for hotel, shopping mall, jewelry showcase, corridor, office, kitchen ,channel lights, corridor lights, restaurant lights, living room lights, etc. Specification: Material: Glass Light emitting angle: 120 degrees Size(DxH): Approx. 35x35mm/1.38x1.38inch Power: 4W Socket:MR11 Voltage: DC12V Cool White Color temperature: 6000K-6500K Package Includes: 2 Piece MR11 Spot Light Note: Since the size above is measured by hand, the size of the actual item could be slightly different from the size above. Due to the lighting effects, monitor settings, etc. There could be some slight difference in the color of the pictures and the actual item. This product can not directly match the power of the halogen lamp.