Power: 6W, Voltage: 230V, Average Life: 25000 Hours, Color Temperature: 4000K, Item Weight: 210 g, Style: Modern, Product Dimensions: 30x 10.3x 3.6 cm, Material Plastic, Luminous Flux: 600 lm, Cap Type: LED, Color: Chrom, Type of Bulb: LED, Protection class: IP44.
Basically copy coupon, view price history or create e-mail price alert. You probably want to know what is the best price?
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 Europe 
. Sorry, but there’s no price history in my database.
Link: Banggood product page
1. ($18.19): Cuponation9
2. ($18.39): TTSUMMER8
this code has to be applied in your 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): BGLED2206
(probably won’t work, but you can try them out)
Price history and price alert
There is only one database record (it was for $16.99), so you can’t see price history chart.
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)).