Features: Easy installation:Pre-wired for you to easily install in both 12V and 24V vehicle, yacht, ship, caravan, truck, etc. LED Voltage Display: Builts in digital LED voltage monitor, dispalys the real-time accurate voltage status of your vehicle's battery for preventing problems caused by low voltage, the light also makes quick and easy to find USB ports in the dark or at night 4.8 Amps at 5 VDC: Charge two devices simultaneously at fast speed. Built in safety to protect your devices from overcharging, excessive heat and current. Made of heat-resistant, Certified by CE & UL2089 with Over-load, Over-current and Short Circuit Protection to ensure charging safety, meanwhile, built-in Smart IC ensures the circuit won't be burnt out if wrong wiring. Fast USB Charger: 4.8 AMPS FAST DUAL USB CHARGE: It has 12-24 DCV input and power outlets are 2.4A each port (4.8A total) for fast charging. 5 Gang Rocker Switches Panel: These switches are newly design to increase durability. This switches are rated at 10000 on and off cycles without failure. Splash-proof panel face, water resistance caps and anti-seepage rubber ring .Red LED light indicator, waterproof board. DIY Sticker: This rocker switch set comes equipped with night glow capabilities to facilitate use in the nighttime. Specification: Switch System: Water-resistant enclosed Rocker switch Light color: Red, Blue, Green Number of lights: Double lights Material: PPT + PC + Aluminum Panel Voltage: 12V / 24V Operating Temperature: -25 ~ 80 IP Rating: IP65 Electrical Life: 10000 make and break cycles Wiring Method: Red Wire connect to battery positive pole, Black Wire connect to battery negative pole. Note: Please allow 1-2CM differs due to manual measurement. Due to the different display and different light, the picture may not reflect the actual color of the item. Thanks for your understanding. Package included: 1 x Rocker Switch Panel 4 x Screws 1x Label Stickers