... ,energy saving led lamp e27 2,led blub 4v. 3,long life >60000hours 4,high efficiency,energy saving. energy saving led lamp e27The product ... convenient.Product characteristics:1. Lead-acid battery rechargeable and maintenance with 900mAH high capacity, can be used circularly ... power, not only can be being lighting, also with automatic emergency illumination function.Operating instructions:1. Put the ...