Light When You Need The Most - Multi-Function Led Torch With Rechargeable Emergency Lantern. Works As A Torch And An Emergency Light With Bright And Un-Flickering Light Output. It Has A 3.7V 4000Mah Lithium Ion Built-In Battery, So No Hassle Of Changing Batteries And An Uninterrupted Supply. With A Backup Time Of 8 Hours, You Do Not Need A Secondary Source Of Light For Those Long Power Cuts. Other Features Include : Auto On, Overcharge Protection, Deep Discharge Protection And Charging Indicator. An Ac Charging Cable Is Provided With The Product For Charging Needs.