Product Name: Rechargeable Solar Car Cooler Package Contents: 1 x Built-in Battery Rechargeable Solar Car Cooler 2 x Rubber Sealing Strips 1 x User Manual 2 x Ni-MH Batteries Features: Helps eliminate pet and tobacco odors. Double duct and double motor design for improved exhaust speed. Solar and battery switch control allows separate operation. Solar recharge display and single switch for two motors. Built-in high-capacity rechargeable batteries ensure smooth operation. Temperature display for monitoring interior car temperature. Outer solar panel is adjustable and effectively absorbs sunlight. Sustainable use even in rainy days, eliminating harmful materials. Simple installation with strong practicality. Specifications: Material: ABS Color: Black Battery Type: Ni-MH Size: 16.6(L) x 7.2(W) x 10.2 (H) cm / 6.54 x 2.83 x 4.02 inches Instructions for Use: After installation, check that the light is on to confirm the solar panel is generating power. Turn the left switch to the on position and press the middle button. The middle button has three settings: Press once to start the fan with solar power (indicated by a dimmer light). Press again to run the fan with battery power (indicated by unchanged light brightness). Press a third time to stop the fan and cut all power. The solar panel will charge the battery when in any gear and power is available. Installation Steps: Lower the window and attach the short rubber strip on the outside. Mount the rechargeable solar car cooler. Trim the long rubber strip to match the window's length and place it. Press the cooler under the window from the inside, against the door. Close the window slowly, ensuring the rubber strip is properly seated. Adjust the solar panels to face the sun and optimize the angle for charging. Note: The product is designed for use in vehicles and is not intended for other purposes.