Go down and check coupons out. Remember to check price history if it is available. Do you want to know what the best price is?
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):
Color Temperature or Wavelength: 2700 – 6500K, 3 pcs., Voltage (V): AC 100-240V, Model: YLDP05YL, Output Power: 10W, Lifespan: 25000h, Luminous Flux: 800LM
Banggood
Banggood warehouse is located in China. Too bad there’s no coupon right now in Banggood.
Link: Banggood product page
Price: $-3
It looks like this item is out of stock in Banggood. If you found it then please send me the link. I will replace it.
Click here to search on Banggood!
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): AFfbG10, 3PCSXMABULB, BGYEE11COU, BGVDay10%off, BGLIGHT2020, BGAFF10OFF, BGTT10, bGhOnEy10, BGdragonBoat, BGSS10%SW, BGYEE20COUPON, bgshOOp10, BGLIGHT0920, BgoFErTaSchInA10, BGELIG0920, BgcLuBofErtA10, BGYEE2021, BGCuponation10, BGYEEL10, BGHONEY2110, BG10OFFAFF, BGwhielabel, 13f142, BGLIG12
(system checks these coupons on every price check (like once per 24 hours), but you can check them out anyway)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – 3 Pcs. Xiaomi Yeelight YLDP05YL Bulb [EU] ($-3)
Price history and price alert
Price history (for all/most countries) for Xiaomi Yeelight YLDP05YL Bulb 3 pcs. is here.
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)).
. There are no active coupons for this product, but the price is pretty low isn’t it? I’m not sure about the price, coz I have only 1 record(s) in my database.