Feature:
1. Used as a common LED bulb for home Lighting, E27 & B22 base for options
2. You could touch the lamp base bottom to light as flashlight
3. Li-battery built in, rechargeable, can be used as a emergency lighting. Turn ON automatically when power is off.
5. When the bulb is working normally, the built-in battery will be automatically charged
6. Back up time reach 4hrs≥160lm