Its 13w pl tube saves more electricity (=75w normal lamp)and provides a 360' light distribution.

Rechargeable: It has a built-in battery that accepts 110-240v AC power source.
Auto-notifying when battery is fully charge
Special discharge circuit prevents fluorescent
Accepts AC 110-220v and 12v DC power source for recharge
Emergency light opens automatically when power failure occurs
Lighting duration: 5-6hours(when fully charged)

Equipped with "overcharge protection control circuit" for an extended battery life
Input: 110-240v AC (auto)for recharging and emergency function or 12v DC
Charging time: 12-20 hours (depends on power voltage)
Battery type: Sealed maintenance-free lead acid rechargeable battery
Tube: 13w pl tube