$10.99 – SONOFF SNZB-04P Zigbe Door Window Sensor Tamper Alert Smart Scene Remote Control Smart Home ZHA Work with Alexa Google Home.
When I was updating this page the price was $10.99 for SONOFF SNZB-04P Zigbee Door Window Sensor (in Banggood). You can create price alert here, copy coupons and view price history. What is best price?
Latest coupon code price check (UTC time):
Banggood ($10.99)
Banggood warehouse is located in China. But wait a sec… Is it a good price? Let’s see… Average price for this item is $11.49 and current one is $10.99, so it’s a good price! There is one great coupon!
Link: Banggood product page
Price without coupon: $11.99
1. ($10.99): BGEUSNZB04
apply code in your basket (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): BGEUNEWYR2
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
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
Check out price history chart (for all/most countries) for SONOFF SNZB-04P Zigbee Door Window Sensor. The lowest price was: $10.49.
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)).