16 gang rocker switch panel, can control the electrical equipment inside the vehicle at will. 2Dual USB port to meet your various charging needs. Suitable for iOS Android phones, GPS navigators, cameras, MP3 players, etc. 3The voltage indicator monitors the vehicle's voltage from 6V to 30V in real time. 412V/24V cigarette lighter socket with dustproof rubber sealing cap, waterproof. 5Easy to install, just put it into the switch hole, fix it with screws, and then you can start using it. Features: 6 gang rocker switch panel, can control the electrical equipment inside the vehicle at will.Dual USB port to meet your various charging needs. Suitable for iOS Android phones, GPS navigators, cameras, MP3 players, etc.The voltage indicator monitors the vehicle's voltage from 6V to 30V in real time.12V/24V cigarette lighter socket with dustproof rubber sealing cap, waterproof.Easy to install, just put it into the switch hole, fix it with screws, and then you can start using it.Suitable for general use in automobiles, motorcycles, buses, boats, ships, trailers, etc.Specification: Material: ABS Plastic + Rubber + Metal Switch Panel Color: Black Light Color: Red, Blue, Green, Orange (optional) Working Voltage: 12-24V Voltmeter Measurement Range: 6V-30V USB Port: 5V / 3.1A Product Certification: CE / ROHS Size: 18 * 11cm/7.1 * 4.3in Package Weight: 430-432g Fitment: Universal for all 12V-24V vehicle, yacht, ship, caravan, bus, car, etc. Package List: 1 * Switch Panel 2 * Sticker 4 * Screws Note: 1. Easy to install, but professional installation is highly recommended 2. Please allow 1-3mm error due to manual measurement. Thanks for understanding