Safety Rope Strength: 150 Kgf, UPS(Un-interrupt Power System): 20Mins, Automatic Cleaning Mode: 3 Modes, Power Consumption: 65W, Model: X6, Dimension: > 40cmx 40cm, Auto-finish: Yes, Brand: Liectroux, Frameless window: Yes, Material: ABS, Plug: CN, Cleaning Speed: 2.4 minutes / ㎡, Power Range: 100 – 240V, Available Window: Medium and large scale window.
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.
Link: Banggood product page
1. ($258.20): hoNEYbGdeAlS
2. ($263.81): 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/i1u
Old coupons (from the oldest to the newest): BGHome15%, BGWCLCTX6, BGHOMEAPP13, BGCNLCTX6, BGCNWRCGF, BGHOMEA13, BG11SHOP, BGAFF7OFF, 7bcdf9, BG10OFFAFF, BGwhielabel, BG10OFFAFF1, BANGGOODSD, 00c906, ADMITAD2212, BGCityads10, BGHU1724, Terence, Tabby20, 2203ActiesNL, BG1efeb0, 8Couponsde, MVC8SPRING, pROMo8cuPoN
(these codes were not working in latest coupon update, but you can check them out anyway)
Price history and price alert
Price history (for all/most countries) for Liectroux X6 Window Cleaning Robot is here. The lowest price was: $195.99.
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)).