Key Function
AM/FM radio
Walkie-talkie with the distance of 3000 meters
One brightness led light
Siren and blink
Crank dynamo power
Can charge mobile phones in emergency

Key Features
Built-in battery: Polymer 3.7v 750mAh
Charging time: 2H(by cranking)
Using time: lighting(10H)radio(10H)siren(5H)
1M cranking gives lighting(15M)
The radio frequency range: FM:76-108MHZ      AM:522-1650KHZ
LED brightness:2000-2500mcd
Output voltage:DC5.0V
Output current:300-500mA
Raw Material: ABS
Frequency band range: 400-470 MHZ
Number Of Channel: 128
Patent protection