Precise Monitoring: This high-performance digital thermometer and hygrometer ensures precise temperature and humidity levels. Ideal for a variety of enclosed environments, such as freezers and humidors<br> Wide Range: The sensor is able to measure temperatures from -10 to 50°C, providing the flexibility needed for a variety of settings<br> Compact and Versatile: The stylish round design makes it easy to place anywhere, while the clear LCD display allows for quick readings at a glance<br> Fast Response: Humidity sampling cycle of 10 seconds<br> Easy to Use: No complicated setup required. Simply place the sensor where you want it for instant readings<br> Temperature measurement range: -10 to 50°C<br> Temperature measurement accuracy: ±1 degree (at room temperature)<br> Humidity measurement range: 10% to 99%<br> Humidity display resolution: 1%<br> Humidity sampling period: 10 seconds (1 minute)<br> Humidity measurement accuracy: ±5%<br> Rated voltage: DC1.5V<br> Note: The humidity error of the product at room temperature is about ±5%, and the temperature is about ±1°C<br> Colour:Black<br> Material:plastic<br> Package Contents:<br> 8 x Digital Thermometer Hygrometer<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.