BluSens GDT-001012 Waterproof LED Magna Flashlight Plastic Magna LED Flashlight General Features: Color: Transparent with black trim Always ready, self-powered Power generated by magnet passing through copper coil Just shake to generate power No matter how long it sits, just a few shakes will generate light Super bright LED light Operates in extreme hot or cold conditions Capacitor can be charged over 100,000 times