Summary: i am a skater of 41 and have been riding since i was 11. i dont know about all the cry baby stuff. when you calibrate you have to use the same light source everytime. if not you have to recalibrate everytime. totally fun once you go hardcore.
Summary: Searched all over for this item. Finally they had an unbelievable deal on it for the holidays; simply a no brainner!!! Had to get it for my son who also skateboards at skate parks. He loves it!