-Clinical thermometers mercury free are used for measuring temperature of human body-It contains the mixture of Gallium/Indium instead of mercury. more safe-Measuring range: 35-42 celsius degree (96-106-Fahrenheit degree ) min interval is: 0.10-Size of thermometers:. flat type, large size, length: 125±5mm;  H/W: 12.1x8.8mm. fat type, medium size, length 118±5mm,-Accurate: 37 and 41: +0.10 and -0.15-standard: EN12470:2000-operating temperature: 20 to 35 celsius degree-storage temperature: 0 to 42 celsius degree