large metal car fan that works with a 12V cigarette lighter socket. Installation with clamp or screws. Angle adjustment 2 types of air flow: single point and rotary Easy to install almost anywhere in the vehicle (on a clip or permanently with screws) Strong, durable metal housing Power from the cigarette lighter socket The cigarette lighter plug has protection Fan diameter: 21 cm Impeller diameter: 17.5 cm Power cable length: approx. 100 cm Voltage: 12V Power: 21W (±2%) Rotation switch on the fan housing Switch: yes, on the cable Clamp dimensions: 14.5 x 4 x 4 cm