Lcd Digital Wireless Indoor/Outdoor Thermometer Hygrometer Four-Channel ℃/℉ Temperature Humidity Meter With 3 Outdoor Comfort Level

This four-channel temperature humidity meter which can display indoor & 3 outdoor temperature and humidity simultaneously is great for home use. It is suitable for desktop placing or wall hanging. Large LCD display you can easily read the data. Accurate measurement for measuring indoor & outdoor temperature and humidity. Features: Display four-channel indoor & outdoor temperature and humidity at the same time with ℃/℉ temperature unit for selection. Adopt wireless technology，you can know 3 outdoor temperature and humidity in indoor receiver. Record max/min indoor and outdoor temperature and humidity with temperature trend indication. Alarm function of upper and lower limits of indoor and outdoor temperature and humidity. Can be placed on the table with a bracket or hung on the wall with a hanging hole. With 3 portable to induce 3 outdoor temperature & humidity and transmit within 100m without obstacle. Temperature humidity meter is powered by 3 * 1.5V AAA batteries or DC 5V each is powered by 2 * 1.5V AA batteries.(Not included) Specifications: Material: ABS Color: Silver + White Display: 121 * 106mm LCD Display Indoor Temperature Measuring : -10～60℃ / 14～140℉ Outdoor Temperature : -50～70℃ / -58～158℉ Temperature Accuracy: ±1℃ Indoor Temperature Humidity Detection Period: testing once 30 seconds Outdoor Temperature Humidity Detection Period: testing once 57 seconds Humidity Measuring : 20～95%RH  Humidity Accuracy: ±5%RH Function: Indoor/Outdoor Temperature and Humidity Max & Min Value Display Comfort Level Display ℃/℉ Switchable 3 Separated Battery of 3 : Each 2 * 1.5V AA Batteries(Not Included) Temperature Humidity Meter Power Supply: 3 * 1.5V AAA Batteries or DC 5V (Not Included) Size of : 123 * 45 * 25mm / 5.12 * 1.57 * 0.87in Temperature Humidity Meter Size: 169 * 163 * 26mm / 6.7 * 6.4 * 1.0in Weight: 56g / 2.0oz Temperature Humidity Meter Weight: 219g / 7.7oz Package Size: 21 * 19.6 * 9cm / 8.3 * 7.7 * 3.5in Package Weight: 590g / 20.8oz Package List: 1 * Temperature & Humidity Meter 3 * 1 * User Manual