Specification:Length: 5-40MLED: high shiny LEDSize of the solar panel: 65x65 mm/2&;&;x 2&;&;Solar panel:Mono-crystalline/0 Storage Battery: 1pc*600mA Light Source:400PCS*SMT white LED Lumen:80LM Working Time:8-10 Hrs Charging Time:6-8 Hrs High mushy keeptime:30 seconds Induction distance nine IP Grade:IP65 Main Material: ABS Life hours: OVER 20000 HoursPower operated: photo voltaic energy(when the photo voltaic panel don't face to any light, the LEDs will work.)