The kit consists of: 2 white STICK-ON electrodes. Applied to the contact electrode on the strip transmitter. 2 white pig-tail lead wires 4", connected to the STICK-ON EKG electrode attached to the transmitter. 2 lead wires - one black coil lead and 1 white lead 26", 2 black electrodes for use under the saddle and girth Two sections heat shrink tubing & Velcro girth strap, Transmitter sleeve pouch, Tube of EKG gel . Complete instructions are provided with pictures. The rider will be required to cover the exposed contact strip of the human heart rate transmitter strip- (which they already have in their possession) with waterproof adhesive tape.