Feature: 1. Wide Application: The input voltage is 12‑24V, extensively universal for all 12‑24V boats and vehicles such as yachts, saloon cars, buses and so on. 2. High Performance: The high grade switch panel is made of high low temp resistant and flame retardant materials, can be used in ‑25℃ to 80℃ environment. 3. QC3.0 Charging: Come with a cigarette lighter socket and dual USB port, can power external equipment in the car, and charge mobile phones, tablets, GPS, etc. 4. With Voltmeter: The multi function switch panel features a voltmeter, you can test the car battery using status at any time to prevent accidents caused by a bad battery. 5. Waterproof Performance: The switch panel is IP65 rate waterproof, could withstand various kinds of bad environment, have a long service life. Specification: Item Type: Multifunction Switch Panel Material: ABS + PC + PBT + Nylon + Aluminum Plate Mounting Hole Size: Approx. 7.8x7.8cm/3.1x3.1in (L x W) Light Color: USB and 12V cigarette lighter socket is blue, switch is red, voltmeter is colorful Product Color: Black Working Temperature: -25℃ to +80℃ Maximum Power: 240W Input Voltage: DC12V/24V Output Voltage: 5V Output Current: QC3.0 current: 5V/3.4A; 9V/2.5A; 12V/2A; ordinary USB output: 5V/2.4A Protection Level: IP65 Voltmeter Detection Range: 6-30V Usage: Used to power mobile phones, tablets, navigation, GPS, car refrigerators, car vacuum cleaners, etc. Application: Suitable for the installation and use of large-scale transportation tools such as cars, ships, yachts, RVs, buses, etc.. Package List: 1 x Multifunction Switch Panel4 x Screws