APP control, Luminous angle: 70°, Material: ABS + Aluminum, Size: 93*73.5mm, Product Model: YLTS02YL, APP name: Mijia APP, Luminous flux: 350LM, Power: 5W, Control method: Voice, Rated input: 220V 50Hz, Opening size: 70 – 80mm, Color temperature range: 2700K – 6500K.
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 and price update (UTC):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
1. ($31.52): Cuponation9
2. ($31.87): BG8ReviTrage
3. ($32.56): BG00c906
paste coupon code in your cart and click Apply after clicking “Proceed to checkout”. Click to copy code and open shop.
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BGYLTS02YL, 800fa5, BGYEE2021, BGYEEL10, BGHONEY2110, BG10OFFAFF, BGwhielabel, BGLIG12, BG10OFFAFF1, BGYEELIGHT21, Terence, BGLED2203, 8Couponsde, MVC8SPRING, 8BGwbg2204, 2203ActiesNL, tRaDetRaCKeR, 8wEbgaInS5, pROMo8cuPoN, BGf94f14, BGLED2206, BGLED07
(these coupons are old, so probably won’t work)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – Xiaomi Yeelight YLTS02YL 5W Smart Downlight [EU] ($-3)
Price history and price alert
Check out price history chart (for all/most countries) for Xiaomi Yeelight YLTS02YL 5W Smart Downlight. The lowest price was: $12.99.
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)).