The coupon price for SONOFF SNZB-02D LCD Smart Temperature Humidity Sensor is $13.69 (in Banggood). Price history, coupons and price alert are available on this page. What is best price?
Model: SNZB-02D, Power Source: Battery Powered, Display Type: Digital, Shape: Square, Material: Plastic, Mounting Type: Desktop
Latest coupon and price update (UTC):
Banggood ($13.69)
Banggood warehouse is located in China. There are no active coupons for this product, but the price is pretty low isn’t it? I think you want to know if the price is good. Looks like a good price to me (average is $13.98).
Link: Banggood product page
Price: $13.69
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGfe3dbc, BGa0f713
(system checks these coupons on every price check (like once per 24 hours), but you can check them out anyway)
Aliexpress
There’re some similar (or not) items on Aliexpress
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-02D LCD Smart Temperature Humidity Sensor.
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)).