$17.99 – Smart Toothbrush Sterilizer Electric Ultraviolet Sterilization Box Heat Drying Wall-Mounted Bathroom Double Toothbrush Storage Rack – White.
According to my DB the lowest price is $17.99 for Smart Toothbrush Sterilizer Ultraviolet Box (in Banggood). Price history, coupons and price alert are available on this page. Let’s see what best price is ATM.
Latest price update (UTC time):
Banggood ($17.99)
Banggood warehouse is located in China. There are no coupons for this product in Banggood. But wait a sec… Is it a good price? From what I can see this price is higher than average price ($14.99).
Link: Banggood product page
Price: $17.99
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BGdfd965, BGfc8a91
(system checks these coupons on every price check (like once per 24 hours), but you can check them out anyway)
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.
Price history and price alert
Check out price history chart (for all/most countries) for Smart Toothbrush Sterilizer Ultraviolet Box. 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)).