Emergency Solar Hand Crank Dynamo AM|FM|WB|NOAA Weather Radio LED Torch Charge8  Working voltage - 2.7V~4.2V, Power source - 2|3 AAA 300mAh|3.6V Ni-MH|Solor, AM - 520~1710 KHz, FM - 87~108 MHz, NOAA - 162.450~162.550 MHz, Type - Emergency, Bundle Listing - Yes, Features - AC-Powered