2017 new black/white fy-11 mini digital lcd environment thermometer hygrometer humidity temperature meter in room refrigerator icebox

i overview of functions: 1.lcd display 2. size 48 * 28.6 * 15.2mm smaller measurement error 3.lcd size: 35.7 * 16.8mm smaller measurement error 4. weight: 25 grams without batteries 5. humidity display 6. the humidity measurement range of 10% to 99% 7. humidity with 1% resolution 8. the humidity sampling period 10 seconds 1 minute 9. humidity measurement accuracy of ± 5% 10. rated voltage dc1.5v 2 ge ag13 button batteries color:black/white