1x Control Unit, 1x GSM ANT, 1x DS18B20(Temperature Sensor /0.5m), 1x User Manual.
Aliexpress
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Here are coupons that you can use.
Updated: 12-07-2025
Banggood
Warehouse in Europe 
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Link: T201 GSM 3G 4G Temperature Monitor [EU]
$33.66 with coupon: Cuponation9
Additional Banggood coupons:
1. First page
2. Second page
Price history and price alert
It doesn’t make sense to generate price history chart, because there is one price record which is: $29.99.
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)).