Replacement parts, durable and easy to install. Fine workmanship and perfect style. Parameters: Rotation speed: about 4500 /min Solar power: 1.5W Voltage: 2.4V Current: 1600mA Whether with switch: Yes Solar charging indicator: Yes With or without rechargeable battery: Yes Solar angle adjustment: Yes Solar position: outside the window Continuous battery life: about 6 hours Material: plastic color: white Package Contents: 1 x Car Exhaust Fan Only the above package content, other products are not included. Note: reflection of Light and different displays may cause the color of the item in a little different from the real thing. The measurement allowed error is +/- 1-3 cm.