Price history, coupons and price alert are available on this page. Let’s see what best price is ATM.
Work Humidity: 20%~80%, 000; NTSC: 1/60~100, Synchronization: Internal, Image: 16: 9 / 4: 3 (optional), Wide Power Input: DC 3.3-9V, S/N Ratio: >52dB (AGC OFF), Auto Gain Control: YES, Weight: 4.1g (Camera + VTX), 000, Work Temperature: -20℃~+60℃, Electronic Shutter PAL: 1/50~100, Horizontal Resolution: 1200 TVL, Image Sensor: 1/3″ CMOS Sensor, TV System: NTSC / PAL (optional), Min. Illumination: 0.001Lux@F1.2, DNR: 2 DNR, Video Output: CVBS, WDR: Global WDR, Dimensions: 14mm*14mm*16mm, Lens: 2.1mm, BLC: YES
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in China. Well, there is one coupon available right now.
Link: Banggood product page
1. ($24.91): Parts8
apply code in your basket (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): 502C6B, f62884, 2019SPEDM, bgssaff9, BGBCFPV, BGcad15, BGFirefly20, 0e7f33, BGOTC21, FBCOUPON1
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
Price history and price alert
Here is price history (for all/most countries) for Caddx Firefly 1200TVL FPV Camera.
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)).