This product adopts the principle of cranking for power by 3 brushless generator which after commutating and filtering to charge its built-in 80 mAh/3.6v Ni-MH rechargeable battery, the energy stored is used as the power source of LED and FM/AM radio.
The radio circuit adopts the specified radio CMOS chip CD2003 to realise FM/AM radio function, the wave band can be changed by the "AM / FM switch", mechanical tuning and speaker output.
The original "Preppers" product for the natural disaster when all power is gone but you need light and access to the radio for emergency messages being broadcast.