Battery Capacity 2600mAh, Endurance Time 3-6 months (Calculated based on 4 inductions per day / more usage will result in faster power consumption), Gear Adjustment 2 Gears Adjustable, Product Capacity 550mL, Product Color White, Rated Power 1.6W, Product Weight 410g, Charging Time 6-12 hours, Input Current 1A, Product Size 87x 57x 316mm/3.42x 2.44x 12.44”, Input Voltage 5V, Installation Method Punch-free / Wall-mounted (Punchable), Material PABS+PC / POM / PPN / PETG / Liquid Silicone.
Basically copy coupon, view price history or create e-mail price alert. 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 China. One coupon is available. Cool!
Link: Banggood product page
1. ($60.60): BGHealth06
apply it 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): BGJUY05, BGYEE2021, 13f142, BG10OFFAFF1, BANGGOODSD, 6GSGIT
(these codes were not working in latest coupon update, but you can check them out anyway)
Price history and price alert
Do you need price history chart (for all/most countries) for YEELIGHT Automatic Mouthwash Dispenser Machine? There we go. The lowest price was: $55.79.
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)).