HUA QIANG WANG Emergency LED Light Bulb 15W Daylight White Rechargeable Bulb with Hook LED Intelligent Emergency Bulb for Power Outage Indoor and Outdoor

As it doesn’t turn on automatically on power cut if i connect it in to a power socket work like a normal bulb and on power outage i have to take it out in dark and then place it in to the hanger and press the button, more complicated than traditional emergency lights for power outage