How much does this cost to the nearest dollar?

Caddx Polar air Unit kit FPV Camera Micro HD Digital Image Transmission for Rc Racing Drone with 1.6 & 8Mega FPV Camera 720p 60fps Recording Compatible with DJI FPV Air Unit (Brown)
The Caddx Polar air Unit kit features an ultra-low-latency high-definition digital image video recording and eight frequency channels, allowing eight pilots to fly simultaneously. Modern innovations, like a strong transmission system embedded remote controller receiver, and multi-antenna technology, is why the Air Unit can perform remarkably. Video Transmission,The Air Unit Transmission technology features a HD live view and latency within 28 ms. Embedded Remote Controller Receiver,Users can wirelessly connect their Air Unit to the DJI FPV,Remote Controller without having to purchase additional receivers.

Price is $179.00

Price: $179