High Energy Efficiency & Save money 4W E27 LED bulb ( Bulb included) is equal to a 40W incandescent bulb,not only save your energy but provide you sufficient light intensity. Convenient Operate The nightstand lamp is very convenient to use. You only need press the button when you want to turn on or turn off the light. And you don't have to wake up to pull out power switch in the mid- night. What a convenient and lovely design! Eye Caring The warm tones provides a soft, stable and non-flickering user experience, the gentle light is friendly to your eyes that you can enjoy what you're doing for longer. Technical Data: 1. Wattage: Max 60W 2. Cable Length :134 cm 3. Shade Material: fabric 4. Shade Color: Khaki 5. Base: natural wood 6. Power-up state: UK-3Plug 7. Switch Type: On/Off Switch 8. Base Material: solid wood 9. Bulb Base: E27 ( Bulb is included) A suggestion for you, dear. According to a research, It would be better for you to release a day workload and better for your sleep quality, when you enjoy dim warm white before you go to sleep, so our bedside table lamp would be a good choice for you.