This product is divided into indoor unit and outdoor unit. The indoor unit can be placed on the desktop, bedside and other places, and the outdoor unit can be placed at the garden, garage, orchard and other places. Indoor and outdoor temperature and humidity are clear, so as to creates a nice indoor and outdoor environment. 5.3in large LCD display, easy reading of the informations. Colour screen digital sensor, more accurate temperature and humidity detect. Automatically obtain weather data and synchronize. APP intelligent control, easy operation, multi-functions, APP sharing. Air pressure/wind speed/temperature and humidity alarm function setting reminder. You can view the historical data trend record of temperature and humidity. It can support 3 sub-machines, and take the temperature and humidity of different positions at the same time. Display content, you can DIY according to your preferences. Diversified installation methods make installation easier. It can be hung or placed on the desktop. Input: 100-240V, 50/60Hz Output: 5V, 2A Temperature Display Unit: / Humidity Display Unit: RH% Temperature Range & Accuracy: -20 to 60, 0.5 Humidity Range & Accuracy: 0%~99%, 2%RH Operating Temperature: -20 to 60 Sensor Battery: 3V 1000mA Tips: The product may be updated constantly ,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use Colour:black+white Material:ABS+PC type:B:1 to 3 Package Contents: 1 x Main Machine 3 x Sensor Only the above package content, other products are not included. 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.