Emopeak Large Pet Heating Pad 30W|Indoor Electric Warmer Dogs, Cats, Animals &hellip; SAFE FOR PETS  This product operates on a low 12V, with a fuse inside the controller. To prevent burns, heat builds up slowly in 25 mins. To prevent fires & accidents, there is a layer of fireproof & IP67 waterproof PVC material. Also, the heater parts & cord are covered in chew-resistant steel.