LCD DIGITAL THERMOMETER HUMIDITY METER HYGROMETER TESTER INDOOR TEMPERATURE - AU
Mini LCD Digital Thermometer Hygrometer Indoor Room Temperature Humidity Meter Sensor Gauge Weather Station
Magnetic: Easy to stick on fridge or metal doors 
Temperature measurement range: -20～60℃, temperature measurement cycle is 10 seconds, resolution: 0.1℃
Humidity measurement range: 10%-90%, resolution: 1%
Battery: 3V CR2032* 1 button battery (battery included)
Dimension: 43mm*43mm*13mm
Notice: Temperature error :±1℃. Humidity error: ±5%