Pet heating pad is our fourth-generation product since 2017. We have updated the smart switch to keep it warmer and safer for your pets. This heated dog mat can be plugged in for 24 hours, protected by a temperature control chip.5 different heat levels and 5 timer levels help your pets in warming comfort.SELF-DESTRUCT FUNCTIONIn extreme cases, pulsed power failure or improper use by other users cause local heat focus when the internal temperature reaches over 130 ? will destroy the insulation layer between the temperature control wire and the heating wire to cause the chip to stop working after short circuit automatically.SUPER STRONG CORDMetal Chew Resistant Cord can withstand 5KG pull. Suitable for use in pet houses and nests, also can be used for unwell pets, little puppies kitties, elderly pets recuperating after injury.WATERPROOF & EASY CLEANPet heating pad uses advanced IP67 waterproof PVC material, and easy to clean by wiping it with a wet cloth. Please do not wash it in the washing machine and do not use bleach.FIREPROOF MATERIALUpgrade Thermostats inside of pad can control temperature and better uniform heating the whole pad. Keep the heating pad flat (DO NOT FOLD IT) when you use it. Indoor use only.WARNING1. Please keep the pad flat when it in use2. Don't fold it when you use it.3. Do not immerse the heating pad in water.4. Keep your pet away from chewing the cord.5. Do not use it when it gets wet.