Output Power: 6W, Voltage (V): DC 5V, 10 lm, Features: APP Control.
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. ($52.83): BGYEE20COUPON
2. ($52.83): BgcLuBofErtA10
3. ($53.70): 7d18f7
4. ($55.70): BGAFF10OFF
coupon code has to be applied in shop’s cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): e2bcea, 502C6B, micandle, TTxBG10, BGYeelightA, BGss506, AFfbG10, BGaDmITAd, BGYEE11COU, BGYL01YL, BG9NY, 2020CNY, BGVDay10%off, BGLIGHT2020, BGMPB2020, bGhOnEy10, BGdragonBoat, BGSS10%SW, 30085d, bgshOOp10, BgoFErTaSchInA10, BGELIG0920, BGHU0183, BGCZ5326
(these coupons are old, so probably won’t work)
Other warehouses/versions
This item is available in 2 another warehouse/versions!
1. China – Xiaomi Yeelight YLFW01YL Smart Candela Light [GWTR] ($-3)
2. Europe – Xiaomi Yeelight YLFW01YL Smart Candela Light [EU] ($-3)
Price history and price alert
Do you need price history chart (for all/most countries) for Xiaomi Yeelight YLFW01YL Smart Candela Light? There we go. The lowest price was: $26.99.
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)).