LED Flashlight Solar LED Flashlight with Waterproof Function and Charged by Hand Crank Maximum luminous flux of 3 LEDs: 8lm Maximum luminous flux of 1 LED: 3lm Lighting time of 3 LEDs after being charged fully: 4 hours Lighting time of 3 LEDs after 1 minute cranking: 60 minutes Lighting time of 1 LED after 1 minute cranking: 80 minutes Flashing time after 1 minute cranking: 110 minutes Lighting time of 3 LEDs after being charged by direct sunlight for 1 hour: 90 minutes Lighting time of 1 LED after being charged by direct sunlight for 1 hour: 120 minutes Flashing time after being charged by direct sunlight for 1 hour: 140 minutes Fully charged time by sunlight: 8 hours Flash frequency: about 2Hz Built-in battery: 80mAh/3.6V, Ni-MH battery Solar panel: 5.5V, 20mA Main parts lifespan: LED light: 50,000 hours Switch lifetime: 100,000 times The whole unit lifetime: 5 years Plastic part lifetime: 5 years Size: about 147.5 x 61.5 x 45mm Weight: about 176g