heads up obd2 scanner for $90

http://www.amazon.com/Actron-CP9145-AutoScanner-Diagnostic-Capability/dp/B00020BM2S/ref=xs_gb_bd_APC!KqJAall-?tag=slickdeals&_encoding=UTF8&m=ATVPDKIKX0DER&pf_rd_p=441937801&pf_rd_s=center-2&pf_rd_t=701&pf_rd_i=20&pf_rd_m=ATVPDKIKX0DER&pf_rd_r=1P84WNQ7S5XTWFVJ5PP1