Just check coupons out (with price alert and history). Let’s see what best price is ATM.
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Latest price update (UTC time):
PTZ Control Horizontal Direction: 355°, Power Supply 12V, View of Angle 360°, Storage Support TF Card(Max 128G), Pixels 200W, IR LED 4, Internet WIFI(IEEE802.11b/g/n), IR Distance 15M, Vertical Direction: 70°, Sensor Resolution 1920x 1080P, Lens 3.6MM, Minimum Illumination 0.01 Lux, Video Encoding H.264
Banggood
Banggood warehouse is located in China. Only one coupon available!
Link: Banggood product page
1. ($40.38): BG1efeb0
you should apply the coupon in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGAQF1265, bGhOnEy10, BGdragonBoat, BGSS10%SW, BGSXXHGKGVV, BGSE829KK, BgoFErTaSchInA10, BGHOMEA15%, BgcLuBofErtA10, BGELEHOME73, BGDETD829, BGAFF10OFF, BGCuponation10, 13f142, BGHONEY2110, BGAPFO829, BGMAYFR829, BGWEEKAMY829, BANGGOODSD, 00c906
(I don’t think these’re gonna work, but you can try ’em out anyway)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – INQMEGA 1080P PTZ Waterproof IP Camera [EU] ($-3)
Price history and price alert
Check out price history chart (for all/most countries) for INQMEGA 1080P PTZ Waterproof IP 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)).