No more darkness in offices, homes etc with this rechargeable LED dual tube lights with 90 LEDs. 4000 Amh maintenance free lead acid battery (over 100,000 hours useful life) Attached hook for portability or hanging as needed. Facilitates ceiling hanging (has an manual switch and operating string if hang on ceiling). Recharge with A/C (240V), solar or adapter. Up-to six hours continuous lighting between recharges (2 hours at brightest level). Output supply of 6.4 volts, possibly to charge other items.Do not stay in darkness during power black outs. Order yours online today on Jamboshop and have it delivered to your doorsteps.You wont regret getting this product.