I/O Interface USB-C /MMCX /3-in-1 port / micro SD card slot, Max.Transmission Distance FCC/SRRC: 4km;CE: 0.7km, Supported Flight Control System BetaFlight, Transmitter Power(EIPP) “FCC/SRRC: <30dBm; CE: <14dBm", FOV 162°(D); 138°(H); 75°(V), Weight "Polar air unit (Include camera): 42.6g Antenna: 3.9g(MMCX elbow)", Video Format "MP4(Video format: H.264; Audio format: AAC-LC)", LENS F/1.6 & 8Mega, Dimensions "Air Unit: 44×37.8×14.4mm Polar cam: 24×19×19mm Coaxial Cable: 110mm Antenna: 81mm", Image Sensor 1/1.8" Inch 2.3Mega starlight sensor, Operating Temperature Range 0°to 40°C（32°to 104°F）, Min. Illumination 0.00003Lux, Min.Latency(end-to-end) 720p 60fps<32ms, Model Polar air unit kit, Input Power 7.4-17.6V, Aspect Ratio 16: 9, Operating Frequency 5.725-5.850GHz. Just check coupons out (with price alert and history). You probably want to know what is the best price?
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
Click here to search by yourself. Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in Europe 
.
Link: Banggood product page
1. ($151.80): BGMatt2022
2. ($151.80): BGToys8
3. ($151.80): JanBGCoupon8
you should apply the coupon in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BGFPV10, BGAirUnit, Chollodro07, 00c906, BG00c906, ADMITAD2212, 2022ACTIESNL, 8BGwbg2204, tRaDetRaCKeR, 8wEbgaInS5, BgGoodie9, BGGutscheine, BG8OFFCOUPON, BG34aa15, TTBLACK5
(there’s a little possibility that old coupon will work)
Price history and price alert
Do you need price history chart (for all/most countries) for Caddx Polar Air Unit Kit HD RC Digital System [EU]? There we go. The lowest price was: $141.99.
Price records source(s): Banggood
Click on image to enlarge. ![Price history for Caddx Polar Air Unit Kit HD RC Digital System [EU]](https://couponsfromchina.com/pricehistory/History28822.png "Caddx Polar Air Unit Kit HD RC Digital System [EU] price history")
You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).