Xiaomi MiaoMiaoCe Digital Baby Thermometer (Banggood, Aliexpress: Measuring range: 32 – 42 Deg.C, Error range: 0.1 Deg.C (35 – 39 Deg.C), 0.2 Deg.C (less than 35 Deg.C, or more than 39 Deg.C), Operation environment: 5 – 40 Deg.C, less or equal to 85 percent RH, Built-in 1x button battery (the best price with coupon)).
Basically copy coupon, view price history or create e-mail price alert. Let’s see what best price is ATM.
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
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. ($6.43): MVC8SPRING
2. ($6.57): BG00c906
3. ($6.57): BGHB218
paste coupon code in your cart and click Apply after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/feV
Old coupons (from the oldest to the newest): 502C6B, code1573, CODE1573, BGbabyTM, BGHOMEG12, AFfbG10, BGbbtt28, BGmat58, FBCOUPON1, BGAFF10OFF, bGhOnEy10, BGdragonBoat, bgshOOp10, BgoFErTaSchInA10, BGHOMEA15%, BgcLuBofErtA10, BGCuponation10, 13f142, BGHONEY2110, BGZX926, BANGGOODSD, 00c906, BGHealth10D, 2022ACTIESNL
(probably won’t work, but you can try them out)
Price history and price alert
Price history (for all/most countries) for Xiaomi MiaoMiaoCe Digital Baby Thermometer is here. The lowest price was: $6.43.
Price records source(s): Gearbest, 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)).