{"product_id":"just-jump-2-box-1","title":"Just Jump ( 2 Box )","description":"Just  Jump offers multiple test modes for testing not only vertical jump  height to an accuracy of 1\/10th of an inch, but other performance factors. Simply stand on the mat with your feet together and jump, and the system calculates your vertical jump height by measuring the time that your feet are not in contact with the mat. The hand-held, battery-operated unit displays maximum height attained  and \"hang time\" for one jump. It also calculates average height plus  ground time for four jumps, computes explosive leg power, and can compute foot quickness  (shuttle runs and dashes). Records up to 60 jumps.The Just Jump vertical jump tester consists of a square jumping pad (28\") and a hand-held, battery-powered computer unit. Features:      Hand-held, computerized digital display     Operates  on a single 9-volt battery so it can be used anywhere     Records  up to 60 jumps, and calculates average height, contact times, and leg power for  the first and last 15 jumps","brand":"Power Systems","offers":[{"title":"Default Title","offer_id":49392152543509,"sku":"POS22581","price":1083.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0857\/4897\/3845\/files\/22808.jpg?v=1759597133","url":"https:\/\/unitedsupplycorp.com\/products\/just-jump-2-box-1","provider":"United Supply Corp.","version":"1.0","type":"link"}