Brand Aqara (Xiaomi Ecological Chain), Weight 150g, Model Window & Door Sensor (Zi-Bee Version), Protocol ZΙgbee, Size (Lx Wx H) 4.10x 2.20x 1.10 cm / 1.61x 0.87x 0.43 inches.
Get coupons, create price alert or check price history out! Let’s see what best price is ATM.
Aliexpress
There’re some similar (or not) items on Aliexpress
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Click here to search by yourself. Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in Europe 
. I don’t want to misguide you about the price. I don’t know if it’s good, because I don’t have enough records in my database… I am tired of searching coupons, but I found one for you…
Link: Banggood product page
1. ($48.22): Cuponation9
apply it in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BGdba5f9, ADMITAD2212, BGSmart6, 8BGwbg2204, tRaDetRaCKeR, 8wEbgaInS5, pROMo8cuPoN, hoNEYbGdeAlS, BGJUNEGSG9, DealBGimpact, 9OFFSUMMER, BGSaleFeb8, BGAUGUST8
(system checks these coupons on every price check (like once per 24 hours), but you can check them out anyway)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. China – 4x Aqara Zigbee 1.2 Door Window Sensor ($-3)
Price history and price alert
Price history is not available for this item (not enough database records)! The lowest price was $45.99 though.
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)).