Indoor and Outdoor Large Screen Digital Display Temperature and Humidity Meter Time Calendar Alarm Temperature Meter and Hygrometer This household temperature and humidity meter, is in portable size and convenient to operate, with multi-function, is a fine patron saint household health. Features: Easy and convenient to operate. Large LCD display, multi-function. Indoor and outdoor temperature display, indoor humidity display and time display. Memory of MAX and MIN measuring value. 12 hour / 24 hour displaying system selectable, degree ℃ and °F unit selectable. Clock, Date and Calendar function (month and date). Everyday alarm function. Suitable for both desk-top placing or wall hung. Low power consumption, high stability and accuracy. Specifications: Main color: white+black Material: ABS Battery: 1 * AAA battery, 1.5V, 250mAh External induction wire length: 1.50m Temperature range: -10℃ to 70℃ Temperature accuracy: ±1 ℃ Temperature resolution: 0.1 ℃ Humidity resolution: 1% RH Humidity range: 10% RH-99% RH Humidity accuracy: ±20% RH Item size: 105 * 98 * 23mm / 4.1 * 3.9 * 0.9in Item weight: 100g / 3.5ounce Package size: 110 * 100 * 25mm / 4.3 * 3.9 * 1.0in Package weight: 125g / 4.4ounce Packing List: 1 * Temperature and Humidity Meter with Probe 1 * User Manual