Johari digital healthcare ltd provides portable interferential stimulator, model ift if-240. The company designs and develops a wide range of state of art electronic healthcare instruments. The company has iso 9001:2000 and iso 13485:2003 certification. This portable interferential stimulator is specially designed and developed for the treatment of symptomatic and chronic pain. It is also used for the treatment of post-surgical and post-traumatic acute pain problems. Some key features of this portable interferential stimulator are as follows: