Used Aim SOLO DL Lap timer and data logger. THE DL has an external port to attach a Smarty Cam that a regular solo does not. This unite has the Aim Solo DL logger (works great), the mount bracket, the download and charging / data cable, box and CD with software for lap top. The unit is a 2015 model. $999new asking $520.00 Shipped any with in the US. Call or text me questions 218 -349-8230 Andy.