Single - Power Failure Light - Power Outage Light - Rechargable Flashlight - Plug in Emergency light - Night Light - Lite Saver Build in 2000mAh rechargeable li-ion battery. LED Light Bulb: 21 LEDs on top, 1 LED at bottom. Usage Time: 21 LEDs - 8 hours, 1 LED - over 144 hours. Can be use: Indoor or Outdoor. Voltage: 110V - 240V 3 Years Warranty