ThermoPro TP60S Digital Hygrometer Indoor Outdoor Thermometer Wireless Temperature and Humidity Gauge Monitor Room Therm

Informational: Weather stations wireless indoor outdoor record all time/24 hours max and min temperature and humidity readings; Wireless thermometer indoor outdoor with temperature trend arrows indicates whether it's getting warmer or colder near the remote temperature monitor Smart Design: Temperature and humidity monitor can display the readings from up to 3 temperature sensors to monitor different locations; Additional sensor can be ordered Wide Temp & Humid Range: Inside outside thermometer hydrometer measures indoor outdoor temperature and humidity percentages simultaneously; Indoor/outdoor temperature range: -4°F to 158°F (-20°C to 70°C); Humidity range: 10% to 99% Hands Free Monitoring: Wireless thermometer outdoor with strong signal penetration humidity sensors to get the temperature and humidity records from 200ft/60m remote range away; Tabletop or wall-mountable design; Powered by 3A batterys (included) Widely Application: Indoor/outdoor hygrometer wireless ensures proper temperature and humidity control, which has important health benefits, thermometer digital can be placed in baby room, nursery, cellar, basement, warehouse and greenhouse Additional sensors: There are two versions: TP60 with 433MHz sensor and TP60 with 915MHz sensor. Because the frequency is different, please double check your purchased sensor's frequency and then get the right additional sensors. Search B072BY1M2V for 433MHz sensors, and B0BHQSR2RK for 915MHz sensor