ERF89L Compact size. Made of aluminum. Can reduce dust， radio interference and static electricity. Removable and can be adjusted between 0-90 degrees. Pastes it on suitable place with double-sided tape. Suitable for any car. Package Details Weight: 44.94 g Size: 19.5*9.2*2 cm Package Includes 1 × Compact Car Auto Vehicle Angle Adjustable Antenna