New led bulb can be used as flashlight

After the failure of electricity supply, maybe you will feel it is hard to find a flashlight. Now there is a new LED bulb can help you solve this problem. It still can light for you by batteries in it. This LED bulb becomes emergency light. The interesting thing is that the LED bulb can be unscrewed from the base and used as a flashlight. The battery needs three hours to charge it. It can be used for three hours. The lifetime is about 18 years.