The electric pads for pets with timer function provide autos shut off range from 4 to 24 hours, conserves energy, and prevents burns caused by excessive heating. The timer LED will be shifted down one level to tell you how much time left. Controlling the temperature of the electric dog heating pad with the LED controller, it can adjust the temperature easily with 6 temperature setting ( 86-131℉/30-55℃) to accommodate your comfort level.