... 2.300~21.950MHzHigh sensitive DSP radio all wave band international radio recept, 500 radio memory permanently , Auto search , ... choose radio channel and radio FruquencyA key lock functionOutput Power:3W, sound profectCharging and working electric quantity indicationRadio signal ... indicatorLED Flashlight , up to 50 hoursSupport 10-120 minutes sleep turn off settingClock/Alarm/FM radio ...