:Just a breeze start, rotate 50 laps per minute, the effect is quite obvious.360 degrees reflective angle, without driving blind spots.High wind product design with damping coefficient, will have the effect of wind resistance, high wind speed without infinite rotation, safe and reliable.502gSpecification:Material: PlasticColor: OrangeSwinging wind: More than 0.5 gradeThe range of driving birds: 3.6m/5mLife span: more than 8 yearsScope of application: 35KV ~ 500KV high voltage transmission and distribution tower, pole tower, substation, outdoor high voltage transformer equipment, orchard, fish pond, farmland, etc.Large Size:Wing length: 19cm / 7.5"Fan diameter: 8.8cm / 3.5"Mirror diameter: 7cm / 2.8"Pole height: 19.5cm / 7.7"Overall height: 29cm / 11.4"Rotation diameter: 36cm / 14.2"Rotation axis height: 7cm / 2.8"Small Size:Wing length: 8cm / 3.1"Fan diameter: 6.5cm / 2.6"Mirror diameter: 4.4cm / 1.7"Pole height: 18cm / 7.1"Overall height: 28cm / 11"Rotation diameter: 18cm / 7.1"Rotation axis height: 7cm / 2.8"Package Includes:1pc*Bird Repeller Note:1. Due to the light and screen difference, the item's color may be slightly different from the pictures.2. Please allow 1-2 cm differences due to manual measurement.3.The mirror needs to be installed by yourself with glue.(glue is not included)