2cm obstacle climbing, the robot absorbs all the debris, 10mm laser edge sensor, 4 anti-drop stair sensors, millet or any other wastes all in a sudden, With a strong power, – 5200mAh Large Capacity Battery, – Almighty Helper, soybeans, Auto self-recharging sensor, 2mm rubber bumper, The robot carries a 5200mAh Li-ion battery (included) which ensures 2.5 hours cleaning for a house of 250sq.m. in full charge, dust, steel beads, – 2000Pa Super Suction, Auto power-off after leaving the floor, 360 degree LDS pressure sensor.
Basically copy coupon, view price history or create e-mail price alert. 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 price update (UTC time):
Banggood
Banggood warehouse is located in Hong Kong.
Link: Banggood product page
1. ($375.99): BGS55LK
2. ($406.33): aff7off
3. ($406.33): bGpAnDacHeCk
apply code in your basket (cart) after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/i1u
Old coupons (from the oldest to the newest): c7951a, PICODICOM, plrobos55, BGRBS55, BGROS5505, BGRS556, BGROS556, BGRS557P, BGitroborockS55, BGS55PL, BGXMVROB, BGВСЕS55, BGRBS558, BGS55089, BGS55339, BGBinKupon154, BGRS55, BGRBS5539, bgchinafest, BGS55RB, BGRBSS55, BGRBS510, BGS55RBC, BGERS55, BGS55V, BGS556, BGHS55K, BGS55k, BGS55B, BGS55HK, BGHKR, BGS55RY, BGG55, BGBINKUPON20, BGS555, BG55RS, BGS55CZ, BGRS55CZ, BGS55SA, BGHOMEAPP, BGPRS55, BGRCD55, BGCRS55, BGYGS55, BGAFF7OFF, BGCZRS55, BG55RA, bgshOOp10, BGHOMEAPP12, BGHOMEAPP13, BGCZRBS55, BGHOMEA13, BGCZRSR55, 7bcdf9, BGwhielabel
(there’s a little possibility that old coupon will work)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – Xiaomi Roborock S55 Vacuum Cleaner International [EU] ($-3)
Price history and price alert
Here is price history (for all/most countries) for Xiaomi Roborock S55 Vacuum Cleaner International. The lowest price was: $327.35.
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)).