1 Automatic light up when AC power failure. 2 Built - in 3 pieces of NI - MH 3 PH - AA1200-V - W24 rechangeable battery. 3 Wireless / Inductive battery charging with 220V AC 4 2 function modes Beam and Flash 5 Environmental protection design, no replacement of batteries is needed With BRIGHT LED emergency torch, you won't get caught stumbling around in the dark during power blackout . With BRIGHT LED emergency torch, you can also used as a portable rechargeable flashlight anytime for up to 8 hours continuously......