Heat Controllers are sold separately
Single Remote Control SGL Heat-Troller Kit
Single Portable Heat-Troller
Single Mounted Heat-Troller
Dual Remote Control Heat-Troller Kit
Dual Portable Heat-Troller
Can also be used to balance the heat between any set of heated garments, such as jacket liner on 1 control and gloves, pants and socks on the other.
DC Coax Plug Y-Harness