Product advantages:[1] The product is a 5-position switch panel, including 5 switches, which can control the on-off state of 5 electrical appliances at the same time[2] The input voltage of the product is 12V. All cars and boats of 12V can be installed and used, and the application range is very wide.[3] The product is made of ABS, PC, PBT resistant to high and low temperature and flame retardant materials, and can be used in an environment where the lower limit temperature is -25 and the upper limit temperature is 80[4] The product is equipped with a lighted cigarette lighter holder, dual USB, which can be used for powering external equipment in the car, and can also supply power for mobile phones, tablets, GPS, etc.[5] The product is equipped with a voltmeter, which can detect the use status of the car battery at any time to prevent accidents caused by a bad batteryspecification:[Product size]: Length: 15cm Width: 10.5 cm Height: 7.5cm[Opening size]: Length: 13.5cm Width: 9cm[Product material]: ABS, nylon, aluminum plate resistant to high and low temperature and flame retardant material[Light color]: blue, red, green[Upper limit power]: 480W[Input voltage]: DC12V[Output voltage]: 5V[Output current]: 4.2A 13A[Protection level]: IP65[Detection range of voltmeter]: 6-30V[Product use]: It can be used as headlight switch, fog light switch, wide-view light switch, car refrigerator switch, car vacuum cleaner switch, car external equipment, and power supply for mobile phones, tablets, etc.[Installation range]: Suitable for the installation and use of large-scale transportation tools such as ships, yachts, RVs, and buses.[Accessories]: Self-tapping screws X 4; Stickers X 1