The Wind Up Lantern is an essential for camping as well as for keeping in the home and car. No batteries are required making it perfect for power cuts, breakdowns and boat trips.Bulbs - Twelve ultra-bright, low energy LED bulbsSettings - Three brightness settings: four LED s, eight LED s or twelve LED sLumens - 45 lumens ratingWind Up - One minute of winding provides up to twenty minutes of lightWeatherproof - Water resistant and weatherproof, this is perfect for use outdoorsBatteries - No batteries are required for this lantern.