If you're looking for a low/medium heating pad that you can fall asleep on without fear of burning, this is the pad for you. If you're looking for fast-acting, therapeutic HIGH heat, buy a Thermophore instead. I have both heating pads and prefer the Thermophore by far. The drawback to the the Thermophore is that it has only one setting: on or off. You need to hold onto a small switch to keep the heating pad turned on. The benefit of this system is that you directly control the heat. When you press the button, the Thermophore quickly turns hot. When it feels too hot, you let go of the button and it begins to cool down. In a few minutes, you press the button and get a second burst of high heat. This is called infusion heat therapy and is said to be the most therapeutic kind of heat. In my experience, this is definitely true. I bought the Theratherm because I thought it would be simpler. It advertises the same maximum heat as the Thermaphore with the convenience of digital control (simply set it to the temperature you want, and then set the timer for up to 60 minutes.) The problem is that the thermostat isn't accurate. It reaches peak heat very quickly and automatically turns itself off, never feeling hot for more than a minute. (Instead, it emits a low-level heat for up to one hour). So, consider your goals and make your choice accordingly. For me, I choose the Thermaphore (which is also sold on Amazon.com).