MODLE:TPM-10 LCD display,internal panel,simple appearance,two button batteries,used for long time tem.measuring range:-50'c~+70'c distinguish:.>-20'c is 0.1'c <20'c is 1.0'c accurary:+-0.1'c power:DC1.5v product size:47.8*28.5*15mm screen size:46.2*26.7mm