Overview: Features 10 bright white LED emitters Onboard 10.2cm x 2.2cm solar power panel Internal 600m Ah Li-Ion battery Built-in batteries self recharged by solar power Fully recharges in 4 hours under typical sunlight 5 hours runtime per charge Perfect for outdoor activities & wilderness survival Ideal for vehicles, simply leave under car windshield to recharge Specification: Weight Approx:275.7g Size Approx:25.1 x 5.6 x 5.6