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. Enhanced Visibility: Bold black numbers for easy reading, and its versatile design allows for both desktop and wall-mounted setups, making it accessible from every viewing angle. 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. Ideal for comprehensive monitoring of your home, basement, or greenhouse. Wide Measurement Range: Capable of measuring indoor temperatures from 14F to 122F and outdoor temperatures from -40F to 140F, with humidity levels from 20% to 95%. The device ensures precise climate control and can be set for damp, comfortable, and dry conditions. Versatile Use and Alerts: Place this remote thermometer in any roombedroom, baby room, wine cellar, or office. It updates max/min data every 24 hours, helping maintain your preferred environment. Measurement Range: Indoor temperature display range: -9.9C to +50C & 14F to +122F Indoor humidity display range: 20%RH to 95%RH Outdoor temperature display range: -40C to +60C & -40F to +140F Outdoor humidity display range: 20%RH to 95%RH Resolution: Temperature display resolution: 0.1C & 0.1F Humidity display resolution: 1%RH Power supply: Host requires 3xAAA batteries; Transmitter requires 2xAAA batteries (batteries not included) Color: White Material: ABS Size: 8.7 x 10.5 x 2.45 cm Package Contents: 1 x Host 3 x Transmitter 1 x English Instruction Manual Note: Light reflection and different displays may cause the color of the item in the picture to vary slightly from the actual product. Measurement may vary by +/- 1-3 cm.