... the common incandescent light bulb or energy saving light .B. Wireless operation between remote and light bulb, on/off ... four different groups,operate separately.D. Night light function, convenient for night actions, good ... meters,no physical prevention . G. Stylish design,energy-saving, environment-friendly, recyclable.According with FCC,CE,ROHS ... 110v-220v ,rf dimmable, energy saving LED remote bulb