1Application: Designed for Dc 12?24V systems and is compatible with boats, yachts, RVs, and buses, provides a versatile solution for controlling multiple electrical devices. 2Multifunctional: Several different appliances or devices can be controlled at the same time, providing convenient and flexible control options. 3Practical: Simple and easy to use, with simple key switch can control the switch status of electrical appliances or equipment, convenient and fast. 4Uses: Can be used as headlight switches, fog lamp switches, visual width light switches, car refrigerator switches, car vacuum cleaner switches. 5Safety Ensured: Has good durability and fire retardant, dustproof and waterproof, and can protect electrical appliances or equipment from damage and accidental electric shock.