Room Thermometer, 2 Pack Digital Indoor Temperature and Humidity Gauge Mini Hygrometer for Room, Nursery, Terrarium, Incubator, Greenhouse

Item name: Indoor Temperature and Humidity Gauge Brand name: Antonki | Top regarded brand in Air Monitor Battery type: AAA ( included) Usage: Track the indoor temperature and humidity level in real time Auto calibration: Yes Humidity range: 10%~99% Humidity accuracy: ±5% Temperature range: -58 ~ 158 ℉( -50~70℃ ) Temperature accuracy: ±1.8℉ ( 50~104℉ ) / ±3.6℉ ( other reading ) ±1℃ ( 10~40℃ ) / ±2℃ ( other reading ) Item size: 2.6 * 2 * 0.65 inches Mounting Type: Kickstand HOW TO USE: Step 1: Push the power button on the back to turn it on, select °F/°C Step 2: Wait for 3 minutes for it to calibrate automatically ( the top icon will flash for 180 times) Step 3: The screen displays "CALIBRATED", which means reading is relatively accurate. * Press and hold on/off button can turn it off. Icon Details of Air Condition WET: RH ＞ 60% OK: 40% ≤RH ≤ 60% DRY: RH ＜ 40% Indicator of Trend Arrows H = Current Humidity - Data before 1 Hour T = Current Temperature - Data before 1 Hour ↑: H > 5%; T > 1.8℉( 1℃ ) →: -5% ≤ H ≤ 5%; -1.8℉( -1℃ ) ≤ T ≤ 1.8℉( 1℃ ) ↓: H What's in the box: 2 x Indoor Hygrometer Thermometers; 2 x AAA batteries (included) In the coming dry season, this hygrometer indoor thermometer will be a great gift for your family!