10''x15'' wire chair pad ( TC-WI ) with built-in timer, designed to 
be used with the TL-2100CP monitor which has a timer reader 
( CHANGE PAD INDICATOR ). The pad will trigger the monitor as
soon as the pressure on the pad is removed.

Can also be used with the following monitors:
 
TL-2100S, TL-3100V, TL-4016R ( ALL NOT INCLUDED )
and TL-2100E ( ALL NOT INCLUDED ). 

1 year warranty.