According to my DB the lowest price is $137.53 for RadioMaster Zorro 2.4GHz 16CH CC2500 RC Transmitter (in Banggood). Go down and check coupons out. Remember to check price history if it is available. Do you want to know what the best price is?
Operational current: 160mA@8.4V, , Control distance: > 2km @ 20dbm, Control channels: Maximum 16 (Rx dependent), Battery: 2x 18350 (Not included), Firmware Upgrade method: Via USB or SD card (SD Not included), Display: 128*64 Monochrome LCD, Operating system: OpenTX / EdgeTX Compatible, Item Name: Zorro Radio Transmitter, Gimbal: Hall-effect, Charging: Built in USB-C Charging, Size: 170*159*108 mm, Brand Name: RadioMaster, Operating frequency: 2.400GHz-2.480GHz, RF power: CC2500 and 4-in-1: 20dBm max. / ELRS: 22dBm max., Supported protocols: Module dependent, Module bay: Nano size (Compatible with TBS Nano Crossfires / Nano Tracer / IRC Ghost), Antenna gain: Folding 2db, Internal RF Options: CC2500 multi-protocol / 4-in-1 multi-protocol / ELRS 2.4GHz, Operational voltage: 6.6-8.4v DC, Weight: 350g
Latest price update (UTC time):
Banggood ($137.53)
Banggood warehouse is located in China. Low/high price? Well, this price is higher than average price ($84.92) I am tired of searching coupons, but I found one for you…
Link: Banggood product page
Price without coupon: $149.49
1. ($137.53): BGALL8
this code has to be applied in your cart after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): Parts8, BGGAL8, BGRCParts8, BG50798d, BG32e521, BGb08aa9, BG1efeb0, 8Couponsde, MVC8SPRING, 8BGwbg2204, BG7a4404, 8wEbgaInS5, pROMo8cuPoN, BG8RCToy, hoNEYbGdeAlS, BGRCT10, BGJUNEGSG9, BGf060c4, BGRADIORU, BGToys8, JanBGCoupon8, BGSaleFeb8, BGSaleAD, BGMatt2022, BGToySale, BG589b2e, BGAUGUST8, BGCAPITALOS8, BGCOUPERT8, BGBFDAY8, BGNEWYEAR8, BGSPRING8OFF, BGHONEYSP
(these codes were not working in latest coupon update, but you can check them out anyway)
Other warehouses/versions
This item is available in 3 another warehouse/versions!
1. China – RadioMaster Zorro 2.4GHz 16CH JP4IN1 RC Transmitter ($143.05)
2. China – RadioMaster Zorro ELRS RC Transmitter ($-3)
3. Europe – RadioMaster Zorro 2.4GHz 16CH CC2500 RC Transmitter [EU] ($-3)
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Price history and price alert
Check out price history chart (for all/most countries) for RadioMaster Zorro 2.4GHz 16CH CC2500 RC Transmitter.
Price records source(s): Banggood
Click on image to enlarge. 
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)).