Pop-up case with 360 degrees illumination and dual mode lighting (9-LED and 15-LED). Power is provided by 3-phase alternator motor and rechargeable NiMh batteries, which never need to be replaced. Offers 4 ways to power up: wind-up generator, rechargeable battery (replaceable), 12V AC/DC vehicle cigarette lighter socket adapter (included), and 12V AC/DC wall socket adapter (not included). 4.5" x 4.5" x 6.1" (closed), 4.5" x 4.5" x 9" (open). Pack-away design functions as self-storage, Emergency siren and charger for mobile phones. Weighs 17.5oz (490grams).