MADE IN USA. TRUST IN AMERICAN QUALITY AND SAFETY STANDARDS. Kane Heat Mats are an appliance so they must past rigorous testing and conform to UL and CUL standards. Easy to install; mats may be fastened down with plastic ties or screws (holes provided). HEATING PAD AUTOMATICALLY ADJUSTS TO THE PERFECT TEMPERATURE. Rheostat works like a dimmer switch. On HIGH, mat maintains the heat at 37 degrees above ambient temperature; on LOW, mat maintains the heat at 20 degrees above ambient temperature. Your animals get uniform warmth from the heated pad without fear of overheating. EASY TO CLEAN, DURABLE MATERIALS WILL PERFORM THROUGH YEARS OF USE. Made of high quality polyethelene, the mat is easily wiped clean. The non-porous surface won't harbor bacteria growth. Steel coil protects against chewing and damage of the cord. ENERGY EFFICIENT DETAILS SAVE YOU MONEY ON OPERATING COSTS. Unlike other products, Kane Heat Mats are constructed with thermal insulation on the bottom of the mat, ensuring all the heat goes to your pet and not to the floor. 110 Volt double insulated. KEEP YOUR PET SAFE, COMFORTABLE, AND WARM INDOORS OR OUTDOORS. Kane Heat Mats are waterproof, weather resistant, and make the best warm pet beds for kennels, crates, pens, whelping boxes, dog houses, porches, garages or wherever your pet sleeps.