Digital Indoor Outdoor Thermometer Hygrometer: This wireless temperature and humidity monitor displays readings from the main unit and 3 remote sensors on one screen, helping you check indoor and outdoor conditions in your home, garden, greenhouse, cellar, basement or grow tent at a glance
Accurate Remote Temperature Monitor: The digital thermometer hygrometer delivers continuous, fast and accurate data, measuring indoor -20 °C to 70 °C, outdoor -50 °C to 70°C, and humidity 10% to 99%. Wireless range up to 100m (328ft) in open areas
Comfort Indicator: This wireless indoor/outdoor thermometer features three smiley face icons that automatically switch according to ambient temperature and humidity, clearly showing wet, comfortable, or dry conditions, helping you easily maintain health and comfort at home
Clear Display & Low Battery Alert: The large LCD screen offers clear, easy to read digits, supports one click switching between °C and °F, and includes a built-in comfort icon. It records the past 24 hours' high/low temperatures. When the battery is low, a low battery symbol appears on the main unit, reminding you to replace the battery in time to ensure no data loss
USB Powered & Flexible Installation: This temperature and humidity monitor is powered by USB or battery. In battery mode, the backlight turns off after 15 seconds; in USB mode, it stays on with three brightness levels (high/low/off). It comes with a desktop stand, magnetic backplate, and hanging hole for flexible placement in bedrooms, nurseries, wine cellars, basements, gardens, greenhouses, offices, and more