Outdoor Clock Thermometer and Thermo-hygrometer( S-WS06A) * Outdoor Clock thermometer and Thermo-hygrometer, used to record the indoor or outdoor humdity and temperature * Thermometer with high accruacy and CE and RoHS certifications * Thermometer Theory: Digital humidity meter Description: * Time/ alarm clock function * º C and º F Temperature switch function. * MAX& MIN Temperature and Humidity memory function 12 / 24 hours system clock * Automatic examine the Sensor mistake and when the measuring value is over the range. Error symbol display: --. - º C or--% . * Extend 3m outdoor temperature sensor wire length * 1.5V AAA( 7# ) battery Parameters: * Temperature measuring range: * INDOOR 0º C ~ 50º C ( 32º F~ 120º F ) * OUTDOOR -20º C ~ 70º C ( -4 º F~ 158 º F ) * Temperature accuracy: ± 1.0º C ( 1.8º F ) * Temperature resolution: 0.1 º C ( 0.1º F ) * Humidity measuring range: 20% RH ~ 90% RH * Humidity accuracy: ± 5% ( 40% ~ 80% ) other ± 8% Size: * Unit size: 110( L) x100 ( W) x20( T) mm * Display size: 78x67mm