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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):
Protocol Zi-Bee, Weight 150g, Model Window & Door Sensor (Zi-Bee Version), Size (Lx Wx H) 4.10x 2.20x 1.10 cm / 1.61x 0.87x 0.43 inches, Brand Aqara (Xiaomi Ecological Chain)
Banggood
Banggood warehouse is located in China. I’m afraid that there’s no working coupon in Banggood.
Link: Banggood product page
Price: $-3
It looks like this item is out of stock in Banggood. If you found it then please send me the link. I will replace it.
Click here to search on Banggood!
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGc94a9b, BGAQA929, BGD11059, 8BGwbg2204, 2203ActiesNL, tRaDetRaCKeR, 8wEbgaInS5, pROMo8cuPoN, Cuponation9, BGXIFD371
(system checks these coupons on every price check (like once per 24 hours), but you can check them out anyway)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – 2 pcs. Aqara E1 Window Door Sensor Zigbee 3.0 [EU] ($-3)
Price history and price alert
Here is price history (for all/most countries) for 2 pcs. Aqara E1 Window Door Sensor Zigbee 3.0.
Price records source(s): Banggood
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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)).