“OL” will be dispalyed.), Data Hold: HOLD (Shows “HOLD”), Unit: °C/°F (Shows “°C/°F”), Overload indication: 100%RH/OL (Maximum display humidity is 100%RH; if the temperature is lower than 20°C or higher than 60°C, MAX/MIN Measurement: MAX/MIN (Shows “MAX/MIN”), Humidity Range: 0-100.0%RH 0.1%RH ±5%RH Under normal temperature condition(23°C ±5 °C), Sampling Rate: 1/s (Sampling rate is once per second), Temeprature: -10-60°C/14-140°F 0.1°C/0.2°F ±1.0°C/±2.0°F Under normal humidity condition(40%RH-75%RH).
Just check coupons out (with price alert and history). What is best price?
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.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China. There is one coupon right now! Check this out.
Link: Banggood product page
1. ($22.57): BGherra
apply it in your 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): e2bcea, TTxBG10, 15ANENG, BGTR15, BG2647, BGAFF10OFF, BGTT10, bGhOnEy10, 13f142
(you can check these old coupons out, but these probably won’t work)
Price history and price alert
Do you need price history chart (for all/most countries) for UNI-T UT333 Thermometer Hygrometer? There we go. The lowest price was: $13.19.
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)).