HTC-1 Digital LCD Indoor Hygrometer Room Thermometer Desktop Wall Mounted Temperature Humidity Meter Gauge with Alarm Clock Feature: Large character liquid crystal display; Multifunction; Low power consumption; High stability and high precision. Display the synchronization of temperature, humidity and time; Memory of the maximum and minimum measurement values; 12 hours / 24 hours selection; ℃/℉ unit is optional; Clock and calendar functions (month and date); Desktop or wall mount. Specification: Product size: 9.3cmx10.2cmx2.1cm/3.66x4.02x0.83" (WidthxHeightxThickness) Packing size: 17.3x12.8x3.5cm/6.81x5.04x1.38" Material: ABS + electronic components Battery: AAA battery (NOT Included) Temperature measurement range: -10°C ~+70°C (-14°F~ +158°F) Humidity measurement range: 10%~90% RH Accuracy: Temperature 1°C (1.8°F) Humidity 5%RH Resolution: temperature 0.1°C (0.2°F) humidity 1%RH Note: 1. There may be slight size deviations due to manual measurement, different measuring methods and tools. 2. The picture may not reflect the actual color of the item because of different photographing light, angle and display monitor. Included: 1 X Digital Room Thermometer 1 X Manual