FEATURES1)Enjoy safe and convenient light during an emergency with no light bulbs or butteries to change!2)12 Super-bright LED light for superior illumination 3)Long life LEDS last up to 100,000 hours 4)3built-in lighting models:a.4LEDS Power (Low)b.8LEDS Power(Medium)c.12LEDS Power(High) 5) Convenient fold out hanger in handle6) Built-in high quality FM Radio7) Use 6 Volt DC power adapter (not included)8) Rotate the crank handle at an average speed of 120 RPM ,one minute of cranking should yield approximately 20 minutes of power(4 pcs led)Packing:1)color box44*44*29.5cm9pcs/ctn 7/6 kgs2)blister46*27*37.5cm4pcs/ctn3.8/2.9kg