What it is and why you need it A 5-speed single light switch with blue LED indicator designed to control electrical equipment on 12V–24V systems. Ideal when you need reliable, adjustable control of accessories without rewiring or replacing existing circuits. Key benefits Wide compatibility: works with 12V and 24V vehicles and marine systems — cars, caravans, trailers, boats, yachts, and other marine applications. Precise control: five selectable speed/level positions let you fine-tune the output to match the needs of fans, blowers, or other adjustable accessories. Clear status indication: built-in blue LED shows switch status at a glance, improving visibility in low-light conditions. Easy installation and flexible mounting: can be installed horizontally or vertically to fit your panel layout and space constraints. Reliable quality: brand new unit manufactured to a high standard for dependable operation in vehicle and marine environments. Functional details Function: single switch with five speed/level positions and blue LED status light. Controls electrical equipment as required on 12V–24V systems. Compatibility: explicit support for 12V and 24V automotive and marine electrical systems (cars, caravans, trailers, boats, yachts). Installation: straightforward mounting; acceptable for horizontal or vertical installation to suit different panel orientations. Condition: brand new, high-quality product. Typical use scenarios Cabin ventilation: vary fan or blower speed in a car, caravan, or boat to maintain comfort without noisy on/off cycling. Auxiliary accessories: control dash or cabin lighting circuits, mounted accessories, or other adjustable 12V–24V equipment with a single, easy-to-read switch. Marine panel control: replace or upgrade a rocker or toggle switch on a yacht or boat panel for clearer indication and multi-level control. Who this is for Vehicle and boat owners, installers, and DIYers who need a compact, reliable switch to control and fine-tune accessory performance on 12V–24V systems. Specifications summary Voltage: 12V–24V Type: 5-speed single light switch with blue LED indicator Mounting: horizontal or vertical Condition: brand new, high quality Simple to fit, easy to use, and built for common 12V–24V vehicle and marine applications.