{"product_id":"if-4000-interferential-therapy-unit-portable-battery-ac-adapter-complete","title":"IF-4000 interferential therapy unit, portable\/battery, AC adapter, complete","description":"4 Modes. Continuous, 1\/1 abrupt, 8\/8 abrupt, 10\/10 ramped. Frequency shift: from 25% below set frequency to 55% above. Carry Frequency: 4000 Hz. Modulating frequency: 1-150 Hz. Wave form: symmetrical bi-phasic square. Includes stimulator, lead wires, 4 self stick disposable electrodes, 9V battery, AC adapter, plastic carrying case, and instructions.","brand":"Compass Health","offers":[{"title":"Default Title","offer_id":49378586263829,"sku":"FAB131303","price":200.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0857\/4897\/3845\/files\/13-1303.jpg?v=1758810350","url":"https:\/\/unitedsupplycorp.com\/products\/if-4000-interferential-therapy-unit-portable-battery-ac-adapter-complete","provider":"United Supply Corp.","version":"1.0","type":"link"}