For chronic, acute and postoperative pain Designed for rehabilitation and physical therapy. Plastic belt clip Comes complete with carrying case, 2 lead wires, 9-volt battery, 1 package of 4 pre-gelled electrodes and operating manual For chronic, acute and postoperative pain Designed for rehabilitation and physical therapy. Plastic belt clip Comes complete with carrying case, 2 lead wires, 9-volt battery, 1 package of 4 pre-gelled electrodes and operating manual For chronic, acute and postoperative pain Designed for rehabilitation and physical therapy. Plastic belt clip Comes complete with carrying case, 2 lead wires, 9-volt battery, 1 package of 4 pre-gelled electrodes and operating manual For chronic, acute and postoperative pain Designed for rehabilitation and physical therapy. Plastic belt clip Comes complete with carrying case, 2 lead wires, 9-volt battery, 1 package of 4 pre-gelled electrodes and operating manual