Name: Digital table and desktop thermometer hygrometer ( S-WS12) * As Digital table and desktop thermometer hygrometer with comfort indicator * High accruacy and pass CE and RoHS * Can be used on desktop or table * Theory: Digital hygrometer thermometer Description: * Comfort indicator digital hygrometer, On the left show the temperature, humidity displayed to the right * When the air temperature variations. Display the pointer will point to the appropriate: Cold, comfort or summer * The rain drops that marked humidity * 1.5V AAA ( 7 # ) battery ( no power switch, Remove the battery insulation film, the power for the ON state) Parameters: * Measuring range: Temperature: -10 ~ 60 º C. Humidity: 10 ~ 99% RH. * Measurement Resolution: 0.1 º CTemperature Humidity 1% RH * Accuracy: Temperature: -10 ~ 60 º C ± 1º C Humidity: ± 5% ( within 30~ 85% , at 25º C ) Size: * Dimensions: 108 ( L) x102 ( W) x20 ( T) mm * Display Size: 91x67mm