General description This digital indoor and outdoor thermometer provides accurate temperature and humidity readings. The large white backlit screen displays historical data and comfort indicators, making it easy to monitor your environment. Its versatile design allows for both desktop and wall-mounted setups, ensuring accessibility from every viewing angle. With the ability to monitor multiple locations using three wireless sensors connected to the main display, you can track different areas up to 150 meters apart, perfect for comprehensive monitoring of your home, basement, or greenhouse. Technical specifications Indoor temperature display range: -9.9℃ to +50℃ & 14℉ to +122℉ Indoor humidity display range: 20% RH to 95% RH Outdoor temperature display range: -40℃ to +60℃ & -40℉ to +140℉ Outdoor humidity display range: 20% RH to 95% RH Temperature display resolution: 0.1℃ & 0.1℉ Humidity display resolution: 1% RH Power supply: Host 3 * AAA batteries; Transmitter 2 * AAA batteries