Only € 29.90 in roadside…
Ul radio is unwatchable, but it works and allows you to have fun, sorry for English!
S!
… Radio Comando Explication.
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I can get it going and returning from point A to point B but I have to use to turn the rudder trim, instead I have to go up to increase speed and need to trim again. I have fun in the garden, flying it on the lawns of neighbors … yet nobody shot him !!! 
Light on
Work with Lipo 1000 mAh, 3,2 V. What is the time of charge from USB port?