1.With 3W poly-crystalline solar panel 2.With 36/72pcs super LEDs. 3.Three powers: 110V/220V AC charge, 12V DC charge and solar panel to charge. 4.Charge time: AC charge 8hrs, solar panel charge over 12-15hrs. 5.Operating time: around 5hrs. 6.Built-in rechargeable battery(6V 2.5AH Lead-Cid battery). Waterproof 7.unit size: 25x13cm