Backlight Touch Screen Digital Weather Station, Smart Temperature and Humidity Meter Weather Clock, With Temperature and Humidity Detection, Open/Close Window Reminder, Maximum and Minimum Temperature and Humidity Record Function Features: [Touch Screen] Digital color touch screen displays indoor/outdoor temp and humidity, time, comfort indicator, open/close window reminder, humidity trend indication, and more. [Backlight Function] Backlight can be turned on/off, so it’s easy e whether in the bright sun or pitch black; 5 seconds auto-off. [3-Channel Support] The package contains only 1 sensor, the weather station supports up to 3 remote sensors, about 60m (200ft) transmission range in open area without obstacles. [Other Functions] Temperature alternatively in ℉ or ℃. Time in 12/24HR format. View the maximum and the minimum values of humidity in the past 12 hours. Warm reminder for opening/closing windows. Humidity difference between outdoor&indoor. [Widely Used]Suitable for indoor and outdoor places such as bedroom, baby room, office, greenhouse, wine cellar, warehouse, etc. Easy installation, tabletop or wall hanging design. Specifications: Color: Black / White (Optional) Power Supply: Weather Station: 3 * AAA Batteries(not included) Sensor: 2 * AAA Batteries(not included) Indoor Temperature Display Range:-9.9℃ ~+50℃&14 ℉ ~+122 ℉. Indoor Humidity Display Range: 20% RH ~ 95% RH Outdoor Temperature Display Range:-40℃ ~+60℃&-40 ℉ ~+140 ℉. Outdoor Humidity Display Range: 20% RH ~ 95% RH Temperature Display Resolution: 0.1℃/0.1℉. Humidity Display Resolution: 1%RH Temperature Accuracy: 0-40°C: ±1°C/1.8°F，Other: ±2°C/3.6°F Connection distance between weather station and sensor: 60M (No Distractions/No Obstructions) Material: ABS Weather Station Size: 152 * 95.5 * 22 mm / 5.98 * 3.76 * 0.87 inch Sensor Size: 105 * 50 * 26 mm / 4.13 * 1.97 * 1.02 inch Package Size: 15.5 * 15.2 * 3.5 cm / 6.1 * 5.98 * 1.38 inch Package Weight: 280g / 9.88oz Package List: 1 * Weather Station 1 * Sensor 1 * User Manual (English)