Solar lantern Features: 1) efficient led lamp with lifetime of 100, 000h and long working hours (50 hours) 2) brightness adjustable to different scales 3) premium lantern with elegant design and super reliability Specifications: 1) solar panel: 2.5w multi-crystalline silicon solar panel 2) battery: 2.3ah sealed maintenance-free lead-acid battery Lighting source: 1) 32pcs super bright white led lamp 2) luminance equivalent to one 30w incandescent lamp 3) life time: 100, 000h Input and output: (integrated input providing 3 charging options): 1) input option a: charged by regular electricity. Charging time 6-8h 2) input option b: charged by car battery. Charging time 6-8h 3) input option c: charged by sunlight. Charging time 10-12h with 2.5w panel Box dimensions: 15 x 15 x 27cm