The AST-161 thermometer offers ease of use, fast response, and high accuracy combined with the unique safety feature of a foldaway probe. It is waterproof to IP-67 rating. It is ideally suited for liquid or semi-solid sampling having a pointed stainless steel probe which is adjustable through 180. Ideal applications include industry, laboratory, education and food hygiene temperature tests. -50 to 300C x 0.1 Measures C or F Fast response time of 1 second Waterproof to IP-67 15mm hi-contrast LCD display with backlight Min/max memory since power on or last reset Data hold Low battery indicator Opening the probe switches the unit on Auto power off after 4 minutes of no activity or folding the probe away switches the unit off Extra large 22mm LCD display with function indicators ABS case with a foldaway 130mm stainless steel probe Probe adjustable through to 180 Supplied with batteries