How much does this cost to the nearest dollar?

Night Owl Sp, Llc Night Owl 10 Channel Bluetooth Video Home Security Camera System with (4) Wi-Fi IP 4K HD Indoor/Outdoor Spotlight Cameras 2-Way Audio and 1TB Hard Drive,
Night Owl is excited to offer our U.S. designed and engineered 4K HD 10 Channel Wi-Fi Bluetooth Network Video Recorder with (4) Wi-Fi IP 4K Spotlight Cameras and 1TB Hard Drive. With Secure App-Based Bluetooth Setup, there is no need to connect a TV or monitor for setup or viewing (optional). You can easily configure your system right from the app on your smartphone or tablet with the Bluetooth connection. While a TV or monitor is not required, with Google Assistant you can use simple voice commands to stream camera footage directly to your TV

Price is $500.00
Price: $499.99