Condition: 100% New Item Type: Temperature and Humidity Meter Material: ABS Temperature Detection: -9.9~ 70 Resolution: 0.1 Unit Display: /H Relative Humidity Detection: 20%-99% Resolution: 1% Power Supply: 1 x 3V CR2032 Button Battery (Not Included) Type: Black Shell Black Key, White Shell Red Key, White Shell Green Key, White Shell Blue Key (optional)1High definition display and clear fonts for clear readings, suitable for home, office and so on. 2With time and countdown function, and the sensitive sensitivity ensures measurement accuracy. 3With monitoring hole in the back to detect the temperature change in indoor room, easy to use. 4The temperature detection range is ?9.9~ 70 and the resolution is 0.1, more convenient to use. 5The relative humidity detection range is 20%?99% and the resolution is 1%, convenient and practical.1 x White Shell Red Key (Battery Not Included)1 x User Manual