Accurate and Analog Hygrometer( S-WS13) * Accurate and Analog Hygrometer, used to record the indoor humdity and temperature * Thermometer with high accruacy and CE and RoHS certifications * Thermometer Theory: Thermometer Hygrometer Description: * Clock display with alarm function * Products with a magnet on the back * Indoor relative humidity& comfort level indicator * Selectable º C or º F display by press º C / ordm; F key * Power supply: AAA 1.5V * 1 Parameters: * Measuring temperature range: -50 º C ~ 70 º C ( -58 ordm; F~ 158 ordm; F ) * Temperature accuracy: ± 1 º C( ± 2 ordm; F) * Resolution: 0.1 º C( 0.2 ordm; F) * Temperature display resolution: 0.1 º C( 0.2 ordm; F) * Humidity accuracy: ± 5% RH * Humidity display resolution: 1% RH Size: * Unit size: 110mm* 100mm* 22mm * Display size: 80mmx60mm