$18.99 – 2Pcs SONOFF SNZB-03 Zigbee 3.0 Motion Sensor Detector (Banggood, Aliexpress: 2Pcs SONOFF SNZB-03 Zigbe 3.0 Motion Sensor Detector Smart Control Via eWeLink ZBBridge Required Work With Alexa Google Home (the best price with coupon)).
Latest update shows that 2Pcs SONOFF SNZB-03 Zigbee 3.0 Motion Sensor Detector costs $18.99 (in Banggood). Price history, coupons and price alert are available on this page. Best price?
Latest coupon and price update (UTC):
Banggood ($18.99)
Banggood warehouse is located in China. What about the price? From what I can see this price is higher than average price ($11.43). There is one coupon available! Pretty cool, huh?
Link: Banggood product page
Price without coupon: $19.99
1. ($18.99): BGMAI666
apply it in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/feV
Old coupons (from the oldest to the newest): BGa539d9, BG7b5634, BG188a8f, BGbaa3dc, BGc836ea, BGce149d, BG4a73de
(there’s a little possibility that old coupon will work)
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
Do you need price history chart (for all/most countries) for 2Pcs SONOFF SNZB-03 Zigbee 3.0 Motion Sensor Detector? There we go. The lowest price was: $11.24.
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)).