We are offering light up any situation with 250 lumens of bright led light, or use the dimmable, dualite directional lighting feature to extend runtime. Recharge from usb, solar or the included hand crank. The lighthouse 250 includes a built-in usb port to power small handheld devices to keep you connected to the ones who matter most. The lighthouse 250 lantern & usb power hub is the only lantern you will need. Features: lumens: 250run time: 2.5 - 48 hourspower output: usbrecharge from: usb, solarbattery: li-nmcweight: 1.1 lbs (498 g)charge times: goal zero nomad 7: 7-14 hoursusb source: 7 hoursrun times one side lit: 48 hours (low), 12 hours (high), 5 hours (turbo)both sides lit: 24 hours (low), 6 hours (high), 2.5 hours (turbo)hand crank: 2.2w (cranking at 120 rpm), 1 minute of crank = 10 minutes of lightlight led (output): 2x3w, warm white cree led, 250 lumens battery: cell type: li-nmccell capacity: 16.3 wh (3.7v, 4400mah)lifecycles: hundreds of cyclesshelf life: keep plugged in, or charge every 3-6 monthsmanagement system: charging and low-battery protection built-inports: usb port (output): 5v, up to 1.5a (7.5w max), regulatedusb port (input): 5v, up to 1a (5w maxgeneral: product sku: 32001chainable: noweight: 1.1 lbs (498 g)dimensions: 4.5 x 5 x 6.6 in (11.5 x 12.7 x 16.5 cm)certs: ce, fcc, rohs