Hysteresis: 1-5℃ Adjustable, Ambient Temperature: 0-45℃, Display Temperature: 5-35℃, Storage Temperature: -5-45℃, Accuracy: ±0.5℃, Power Consumption: <1.5W, Buttons: Capactive Touch Buttons, Shell Material: PC+ABS(flame retardant), Timing Error: <1%, Protection Class: IP20, Sensor: NTC, Power Supply: 95-240V / 50/60HZ, Ambient Humidity 5-95%RH(Non Condensing), Current Load: 16A(electric heating) /3A(water heating/water boiler/gas boiler).
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.
Updated:
Banggood
Warehouse in China.
Link: WiFi RF Wireless Room Thermostat
$55.99 with coupon: BGf386d7
$73.62 with coupon: BGSmart6
Additional Banggood coupons:
1. First page
2. Second page
Price history and price alert
Check out price history chart (for all/most countries) for WiFi RF Wireless Room Thermostat. The lowest price was: $55.99.
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)).