1、Temperature Reduction: With the new material ti silver coating on the light reflection and isolation effect, so as to achieve significant sun protecting and cooling effect, UPF50 + effective cooling 5‑13°C. 2、Silver Design: The silver armor reflects light physically reflecting and blocking solar radiation, reflecting the UV and infrared rays irradiated on the surface of the umbrella less absorbing light, cooling effect is more obvious. 3、Rechargeable Design: Easy to charge, can also be used as a rechargeable treasure, very convenient, capacity 2600mah, can run continuously for up to 3 hours or more, enough for outdoor use. 4、Premium Material: Premium impact fabric, double layer UV protecting , UPF 50+ fabric blocks 99.99% of harmful UVA and UVB transmission. It is sturdy and strong, not easy to be damaged and can be used for a long time. 5、Quick Drying: The outer layer is made of 210T high density umbrella fabric, which makes it easy to let the rainwater dripping on the umbrella surface drip down quickly, not easy to get wet, and easy to shake dry. Item Type: Umbrella with Fan Material: Impact Cloth, Aluminum Alloy, Fiberglass Battery: 2600mAh Lithium Battery (Shipped with Built in Battery) Unfold Size: Approx. 83x105cm / 32.7x41.3in Umbrella Cover Color: Ti Silver 1 x Umbrella with Fan 1 x USB Cable