INKBIRD ITH-21-B Bluetooth Smart 6-in-1 Thermo-Hygrometer Clock Indoor Temperature and Humidity Monitor with Time Date APP Control Custom Comfort Levels

INKBIRD. 6-in-1 indoor temperature and humidity monitor with time and date displayed. Bluetooth 5.0 connectivity with 70m/230ft open connection distance. Industrial grade precision sensors made by Swiss Sensirion, accurate and reliable. ±0.2 ±0.36°F high temperature measurement accuracy and ±2 humidity accuracy. 3.8 inches big LCD with 2 ways to view for different needs for use. Displays max and min values for past 24 hours 48 hours ALL time. Custom temperature and humidity comfort level range, better for sensitive groups. Up to 300 days of offline data storage, varied with data recording intervals. Receive high and low-temperature alarm notifications under Bluetooth connection