Features 1. LED toggle switch allows control of electrical equipment in the vehicle. 0-24V voltage display for real-time monitoring of vehicle voltage. 2. Dual USB ports provide charging for various devices including iOS and Android phones, GPS navigators, and cameras. 3. Includes output short-circuit protection and overload protection. Operates within a temperature range of -25C to 80C. Electrical life at full load reaches 50,000 cycles. 4. Easy installation with horizontal or vertical mounting options. Includes stainless steel screws and labels, compatible with 12V and 24V system panel pre-wiring. 5. Constructed with high-quality ABS and aluminum panel for durability, fire resistance, and water resistance. Features a rubber-sealed cap, splash-proof panel, and anti-leakage rubber ring, suitable for marine environments. Specification Item Type: Rocker Switch Panel Material: ABS + Aluminum Panel Color: Black Features: USB, voltmeter, blue switch illumination Working Temperature: -25C to 80C Maximum Power: 240W Input Voltage: DC 12V/24V Output Voltage: 5V USB Output: 5V 2.1A Output Current: 3.1A, 10A, 20A Protection Level: IP65 Voltmeter Detection Range: 6V-30V Uses: Suitable for headlights, fog lights, wide-view lights, car refrigerators, car vacuum cleaners, and other accessories. Application: Designed for use in automobiles, boats, yachts, RVs, buses, and other large transportation vehicles. Wiring Instructions: Red: Positive Black: Negative Installation Instructions: Direct replacement Package List 1 x Rocker Switch Panel 4 x Screws