Voltage: 12V DC cigarette lighter plug type power switch, the switch on the head is a oscillating switch. It features a vertical shaking head with a clamping seat, a novel and compact appearance, low noise and an energy-saving movement. This car fan (also known as the car cooler) adopts a small permanent magnet DC motor as the head. It features an elegant appearance, easy installation, low noise, low power consumption, and large air volume. The fan surface is made of steel and treated with spray painting. The design is lightweight and practical. After the car has been exposed to the scorching sun, it is filled with hot air. If this fan is used, it can accelerate the circulation of air inside the car and expel the hot air outside. In this way, the cold air blown out by the air conditioner can lower the temperature inside the car in a short time. With the small fan, there's no need to turn on the air conditioner every day. You can use the fan when it's not too hot. It saves electricity, fuel, energy and is environmentally friendly! Two installation methods: 1. It can be fixed with the included clips. 2. It can be directly fixed to the car with screws. Choose according to your preference and needs.