Compare All Controllers Click here for a printable PDF of this page Smart Chasers (3, 4, 6, and 8 track models) Programmables (4 – 24 track models available) 3TSC-10 ($165) 4TSC-18 ($215) 6TSC-18 ($245) 8TSC-18 ($275) 4TP-18 ($265) 6TP-18 ($295) 8TP-18 ($325) 10—24 Track Programmables ($560—$975)