Thank you for viewing. 【High Resolution Support】 This Yirui 500KM antenna supports 4K and 1080P high resolution, providing clear images. 【Easy Connection】 Easily connects to your TV via USB. Ideal for indoor use. 【Enhanced Signal】 The upgraded amplifier enhances the signal. With a 5m cable, you can install it anywhere and receive a stable signal. - Brand: Yirui - Model Name: 500KM - Supported Resolutions: 4K, 1080P - Connection Method: USB - Antenna Type: Indoor Antenna - Cable Length: 5m - Amplifier: Enhanced signal ● I opened it once after purchase, but I haven't used it. *The box may be removed and shipped due to shipping costs. I will try to flatten it and ship it together, but if it's not in the photos, please assume the box is not included. *Since many items are received from others, there may be errors. Please check the photos or ask questions.