Introducing the TENS 4 Channel Automode Model: Autostim, the ultimate device for pain relief and muscle stimulation. With four channels, this TENS unit can target multiple areas of the body simultaneously, providing effective relief for larger areas or multiple pain points. The Automode feature makes it easy to use, with pre-set programs that adjust to your needs. The Autostim model is also equipped with a backlit LCD screen and a rechargeable battery, making it convenient for use on-the-go. Say goodbye to chronic pain and muscle soreness with the TENS 4 Channel Automode Model: Autostim.