... failure 2.Emergency LED Light 3.Lead-acid battery 4.Wall mounted Features:·24+7pcs LED, white, DIP, 5mm, 1500MCD·Automatically ... ,·Lead-acid battery, 4V 1.3AH·Indicator light for charging·Wall mounted, handle·Plastic housing·Product size: 205x70x45mm Typical Application:*Indoor ... Lead-acid battery, 4V 1.3AH Caution:Light had better to be usually used, please dont long-term shelve it, Please ...