“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).
Check coupons or create price alert down below. 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 coupon and price update (UTC):
Banggood
Banggood warehouse is located in China. You can get coupon down below.
Link: Banggood product page
1. ($22.57): BGherra
this code has to be applied 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
(there’s a little possibility that old coupon will work)
Price history and price alert
Check out price history chart (for all/most countries) for UNI-T UT333 Thermometer Hygrometer. 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)).