Infrared resolution 256x192, see more clear. cost-effective and save your monery.. Temperature measurement range -20 to +550(-4 to 1022) Measurement accuracy -15 to 550 ±2or ±2%. -20 to -15 ±4. Menu language EnglishChineseItalianGerman Battery Type Dedicated removable rechargeable lithium battery Battery capacity 2200mAh Working time 2 to 3 hours Power interface Micro USB