·Full of useful features make it ideal for emergency
·No exterior battery is needed
·Built-in lithium battery: 3.7V 500mAh
·Solar panel: 74*45mm 5.5V 60mA
·Charge time: 8H (strong sunlight)
·Fully charged, it supports: Lighting(12H), Radio(7H)
·Frequency：FM76-108MHz or 88-108MHz
·LED brightness：10000～12000mcd
·Patent protection