Image Sensor: 1/4″ Color CMOS, Weatherproof: IP66 waterproof, , Minimum Illumination: 0.001 Lux, Power: 200W, , Voltage: 110/220V, Lens: 3.6mm, Night Vision: 30M, Image Resolution: 1080P.
Price history, coupons and price alert are available on this page. Best price?
Aliexpress
I could not find it 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.
Link: Banggood product page
1. ($122.90): AFfbG10
2. ($122.90): elec
3. ($122.90): affbg10
you should apply the coupon in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/i1u
Old coupons (from the oldest to the newest): ZSF4CHWir, 5948dc, 143b23, 2019SPEDM, BGDOMOENCASAKIT, 502C6B, BG4HIP2, BGBFCR38, BGCITYADS2019, BGE13, BGVDay10%off, BGAFF10OFF, hoNEYbGdeAlS, BGJUNEGSG9, DealBGimpact, Cuponation9, 9OFFSUMMER, BgGoodie9
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – 4CH Wireless Wi-Fi 1080P IP Camera System [EU/CZ] ($-3)
Price history and price alert
Check out price history chart (for all/most countries) for 4CH Wireless Wi-Fi 1080P IP Camera System. The lowest price was: $95.8.
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)).