... , 3 in 1: emergency bulb, energy saving lamp,flashlight 2, inovation item 3, 90%energy saving Brand new Multi ... )•Electronic supply is cut off, can work as a emergency bulb & flashlight and can last about 3.5 hours •Electronic supply is ... on, will work as a normal bulb •2000mAH Lithium-battery, can use more than 500 times •Charging ...