EZL02 Easylap USB Digital Lap Counter with transponders

Description Description: This is EASYLAP USB Digital Lap Counter Set w/ Transponder.   Feature:   For: Counting Laps EasyLap RC Timing System-USB Interface No Power Supply Required For All The Mini RC Cars (Unlimited Cars) With Free Race Software (Multi-Language) Small Personal Transponder For Indoor & Outdoor Tracks Use   Include:   Personal Transponders (4 pcs) Cable for AMZ/BZ/GLA/SZ Etc (Mini JST Plug) (4 pcs) Receiver Modules(For Tracks With 1.5M Width) (4 pcs) PC-Interface With Mini-USB Cable With Free Race Software(Multi-Language)