Indoor Outdoor Thermometer Digital Wire-less Hygrometer with LCD Touchscreen Backlight Humidity Monitor Temperature and Humidity Guage Meter for Home/Office/Greenhouse This indoor outdoor thermometer & hygrometer can provide accurate humidity and temperature readings for both inside and outside simultaneously. With large LCD display for easy reading the data, and it can display the current humidity & temperature, temperature/humidity trend, and record maximum and minimum humidity/temperature. Features: Help you monitor indoor/outdoor temperature and humidity in real-time. Fast response and high accuracy, providing updated and accurate readings.  With large LCD display for easy reading the data, and it features backlight and touchscreen, turn the backlight on/off, making it easy for reading in the dark. (Auto-off after 10s). Support ℃/℉ switchable, checking temperature/humidity in the past or last 24 hours, and recording/clearing the maximum & minimum temperature and humidity. Multiple mounting modes. This thermometer features tabletop, wall-mountable and magnet-mountable design, convenient mounting feature for every type of room.  Comes with a remote sensor for wirelessly tracking indoor or outdoor temperatures, and it can transmit the readings to the connected digital thermometer & hygrometer by using a 433 MHz wire-less signal. Up to 60M/200FT transmission distance. The remote sensor is equipped with a hanging hole for easy placement, which can be hung on the wall or tree, or placed in a baby's room, bedroom, warehouse or greenhouse. Both digital thermometer hygrometer and remote sensor are powered by 2 * AAA batterys(not included). Specifications: Material: ABS Color: White+Black  Indoor Temperature Range: -4℉~158℉（-20℃~70℃） Outdoor Temperature Range: -40℉~158℉（-40℃~70℃） Temperature Accuracy: ±1℃ Temperature Resolution: 0.1℃/0.1℉ Humidity Range: 20％~95％ Humidity Accuracy: ±5% Humidity Resolution: 1% Transmission Distance(Remote Sensor): 60M/200FT Water-resistant Level(Remote Sensor): IPX4 Powered By: 2 * AAA Batterys (Not Included) Item Size(Digital Hygrometer): 114 * 96mm / 4.4 * 3.7in Package Size: 155 * 135 * 33mm / 6.10 * 5.31 * 1.30in Package Weight: 232g / 8.18ounce Package List: 1 * Digital Thermometer & Hygrometer 1 * Remote Sensor 1 * User Manual(English)