[1] The product is a 6-position switch panel, including 6 switches, which can simultaneously control the switch states of 6 electrical appliances [2] The input voltage of the product is 12-24V, and all ships and vehicles of 12-24V can be installed and used, and the application range is very wide. [3] The product is made of ABS to high and low temperature, flame retardant and environmentally friendly materials, which can be used in an environment where the minimum temperature is -25 degree and the maximum temperature is 80 degree [4] The product is equipped with a 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 safety accidents caused by defective batteries [Light color]:USB and switch are blue, voltmeter is red [Working temperature]:-25 Celsius-80 Celsius [Maximum power]:240W [Input voltage]:DC12V/24V [Output voltage]:5V [Output current]:3.1A 10A 20A [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 high-end large-scale transportation tools such as ships, yachts, RVs, buses, etc. Colour:Black Material:ABS Package Contents: 2 x switch panel 12 x screws Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.