How much does this cost to the nearest dollar?

Hollyland Mars 400S PRO Wireless Video Transmission System HD Image Transmitter Receiver HDMI SDI 1080P for Photography Video
400ft 1080p Video & Audio Transmission The Mars 400S pro connects to your camera via a full HDMI port or SDI port, accepts HDMI 1080p 60fps or SDI 1080p video input, supports to transmit up to 400ft in open areas. Also, the Hollyland Mars 400s pro supports optimal channels a click away on RX and APP. 80ms Incredibly Low Latency for Real-time Monitoring 80ms Incredibly Low Latency, hollyland mars 400s pro system supports bandwidth up to 20 MHz, supports up to 4 phones & tablets real-time

Price is $599.00

Price: $599