Black Mini Thermometer Hygrometer Gauge Humidity Meter Digital LCD Monitor Tmpg / 2 X 1.5v Button Lr44 Batteries (Included) 48x28.6x15.2mm Measuring humidity: 10%RH-99%RH, Humidity accuracy: 5%, Humidity display resolution: 1% RH Measuring temperature range: -10Celsius~50Celsius, Temperature accuracy: 1 Celsius, Temperature display resolution: 0.1 Celsius Operating voltage: 2 x 1.5V button LR44 batteries (Not include) Dimension:48*28.6*15.2mm, LCD dimension: 36 * 16mm / 1.4 * 0.6in, Cable length: 1.5m, Probe length: 5.5cm, Color:Black, Item weight: 38g / 1.3oz Package weight: 46g / 1.62oz