N31 is an AM/FM dual frequency emergency radio for outdoor survival. This equipment integrated  AM/FM radio and 4Ω 5W speaker. One step SOS button allow people easily call for help or resque. Built-in 5000mah lithium polymer battery make the device has enough running time. 5.5V/40mA solar input assure the device get natural power while sunshine days. As well hand crank generator assure the device never power off. 2pcs high power flashlights boost max 600lm, as well the 120lm reading light offer you a comfortable reading power. Compass integrated for directing while the outdoor activitiy.