Display temperature: display and track the maximum, minimum and center temperature on the 2.8 inch screen with 320x240 resolution Charging mode: Li-ion battery power supply, USB C charging, battery life up to 4 hours, can be used during charging Built-in storage: Built-in SPI flash memory chip can store 100 pictures. Connect computer or mobile phone via data cable to view and copy image files shell: The shell adopts FR4 epoxy resin plate to improve internal components and prolong service life Compact and portable: measuring range from - 40 ℃ to+300 ℃, 8Hz dynamic rate. Small size, easy to carry, integrated design, no external equipment, Weight: 0.29982867632 Pounds, Manufacturer: Jaywool