Stay Ahead of the Climate Game! 🌍 Includes extra LR44 cell and double-sided tapes for immediate use. Stay informed with updates every 10 seconds for optimal environment control. Easily switch between Fahrenheit and Celsius for your convenience. Miniature size allows for effortless transport and space-saving storage. Experience accurate readings with +/-1℃ and +/-5%RH precision. Humidity Range: 10%-99%RH Updates every 10 seconds Temp Range: -50℃ to 70℃ This 2 Pack Mini Digital Hygrometer Gauge is a versatile indoor/outdoor thermometer that accurately measures temperature and humidity. With a fast response time of 10 seconds and a wide measuring range, it’s perfect for monitoring environments in greenhouses, jars, incubators, and more. The compact design makes it easy to carry, while the included gift kit ensures you're ready to go right out of the box.