... easy as the common incandescent light bulb or energy saving light .B. Wireless operation between remote and light bulb, on/off, ... into four different groups,operate separately.D. Night light function, convenient for night actions, good for sleeping ... energy-saving, environment-friendly, recyclable.According with FCC,CE,ROHS. crazy, universal SMD5630 6w e26/e27/b22 110v-220v ,rf dimmable, energy saving ...