$24.09 – Aqara P1 Zigbe 3.0 Door Window Sensor Smart Home Wireless Anti-theft Induction Door Magnetic Alarm Work with Apple Homekit.
When I was updating this page the price was $24.09 for Aqara P1 Zigbee 3.0 Door Window Sensor (in Banggood). Check coupons or create price alert down below. Let’s see what best price is ATM.
Latest coupon and price update (UTC):
Banggood ($24.09)
Banggood warehouse is located in China. I couldn’t find any coupon for this product on latest product update. Isn’t it too expensive? This price is higher than average price ($14.66) for this item.
Link: Banggood product page
Price: $24.09
Additional Banggood coupons: first page and second page
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.
Price history and price alert
Price history (for all/most countries) for Aqara P1 Zigbee 3.0 Door Window Sensor is here. The lowest price was: $12.99.
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)).