Price history, coupons and price alert are available on this page. You probably want to know what is the best price?
Hz: 50hz, Temperature Range 40℃ To 99.5℃, Housing Material: 304 Stainless Steel + Pc, Rated Voltage: ac220v, Power: 1600w, Temperature Stability ℃/℉ ± 0.2
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 and price update (UTC):
Banggood
Banggood warehouse is located in China. You can get coupon down below.
Link: Banggood product page
1. ($70.49): BG589b2e
coupon code has to be applied in shop’s 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): BG4d9216, MVC8SPRING, BGce30be, 8BGwbg2204, BGf9297a, BG0db6bc, BG33ecef, BG5a0905, BGa1f035, BG3bc144, BGbe66f5, BG74f1c8, DealBGimpact, Cuponation9, BGd60667, BGAHPU13, BG8ReviTrage, BGeaf456
(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 AUGIENB SC-003 1600W Sous Vide Cooker? There we go.
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)).