Accurate Climate Monitoring: This digital indoor and outdoor thermometer provides accurate temperature and humidity readings.The large white backlit screen displays historical data, and comfort indicators.<br> Enhanced Visibility: Bold black numbers easy reading,and its versatile design allows for both desktop and wall-mounted setups,making it accessible from every viewing angle.<br> Extensive Connectivity: Monitor multiple locations using three wireless sensors connected to the main display,allowing simultaneous tracking of different areas up to 150 meters apart.Perfect for comprehensive monitoring of your home,basement or greenhouse.<br> Wide Measurement Range: Capable of measuring indoor temperatures from 14℉ to 122℉ and outdoor temperatures from -40℉ to 140℉ and humidity levels from 20% to 95%.The device ensures precise climate control and can be set for damp,comfortable,and dry conditions.<br> Wide Use and Alerts: Place this remote thermometer in any room-bedroom,baby room,wine cellar or office.It updates max/min data every 24 hours,ensuring your environment always matches your preferences.<br> Measurement range:<br> Indoor temperature display range:-9.9℃-+50℃ & 14℉-+122℉<br> Indoor humidity display range:20%RH-95%RH<br> Outdoor temperature display range:-40℃-+60℃ & -40℉-+140℉<br> Outdoor humidity display range:20%RH-95%RH<br> Resolution:<br> Temperature display resolution:0.1℃ & 0.1℉<br> Humidity display resolution:1%RH<br> Power supply:Host 3xAAA batteries;Transmitter 2xAAA batteries (batteries not included)<br> Colour:White<br> Material:ABS<br> Size:8.7x10.5x2.45CM<br> Package Contents:<br> 1 * Host<br> 3 * Transmitter<br> 1 * English Instruction Manual<br> Only the above package content, other products are not included.<br> Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.