ER Emergency Ready Hand-Crank Powered Flashlight and AM/FM Radio The ER Emergency Ready Flashlight and AM/FM Radio never needs batteries and charges most mobile phones Charges by built-in hand-crank generator. Charges most cell phones and mobile devices via included charging cable and popular charger tips including exclusive USB adaptor. Powered by built-in NiCad battery. Stay in-touch with loved ones and news updates following an emergency. Cranking the charging handle for 1 minute at 2 turns per second provides up to 20 minutes of usage. 3 LED White, Super bright Flashlight. 2 Red LED Strobe / Blinking Light Siren.