Upgrade your existing Probotics handheld monitor with an easy to install replacement chip.
Free Shipping.
This upgraded chip will do everything your existing monitor currently does for you, but has an additional mode for measuring plyometric box jumps, when stepping off a plyometric box.
If you have an existing handheld monitor, we will send you a new chip with instructions on how to insert and setup.
This is a (chip only) and does not include the Just Jump Mat or the Just Jump Handheld Computer Monitor.
Please see the link below for viewing and purchasing the a Just Jump Mat and Monitors together.
https://www.lifestylesport.com/category_s/1819.htm
