Xiaomi WXCDJ01SWDK Wireless Handheld Floor Wiper (Banggood, Aliexpress: Wipe 1000 times in 1 minute, Working time: 60min, Upright self-locking shutdown, Water spray design, Power adapter rated output: DC 12.6V / 1A, move free without bending over, Rated power: 25W, Water tank safety light LED lighting, Can turn before and after, Power adapter: 100 – 240V, Charging time: about 3 hours, Battery capacity: 2200mAh (the best price with coupon)).
Price history, coupons and price alert are available on this page. You probably want to know what is the best price?
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
1. ($207.21): hoNEYbGdeAlS
2. ($211.72): BG00c906
put item in your cart and apply coupon code there after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGFLOORPL, BGWMX, aff7off, BGXMOP, BGMTPL, bGpAnDacHeCk, BGHOMEAPP, BGXMACP, BGAFF7OFF, BGHCLE15, bgshOOp10, BGHome15%, BGHOMEAPP13, BGHOMEA13, BGCNXMAMP, BGXMMKPUGF, BGCZXMHGU, 7bcdf9, BG10OFFAFF, BGwhielabel, BGCZXMPUM, BGXMPMUA, BGCZXMPU, BG10OFFAFF1, BANGGOODSD, BGCNXMHR, 6GSGIT, 00c906, ADMITAD2212, BGCityads10, Terence, Tabby20, 2203ActiesNL, BG1efeb0, 8Couponsde, MVC8SPRING, pROMo8cuPoN
(I don’t think these’re gonna work, but you can try ’em out anyway)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – Xiaomi WXCDJ01SWDK Wireless Handheld Floor Wiper [EU] ($-3)
Price history and price alert
Do you need price history chart (for all/most countries) for Xiaomi WXCDJ01SWDK Wireless Handheld Floor Wiper? There we go. The lowest price was: $109.99.
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)).