Have you used the waterproof and oil-proof temperature control switch? The HCET-C high-precision temperature control switch produced by Haichuan has a sealed housing and is equipped with water and oil resistance functions, meeting the requirements of harsh usage environments. 100% bimetallic strip for quick response, eliminating the risk of overheating. With an ultra-long lifespan of 100,000 cycles, it enhances product durability. An optional built-in fuse is available, eliminating the need for external installation and reducing costs while increasing efficiency! Electric heating seat cushions, pet MATS, electric blankets, floor heating devices - choose it for safety and durability!