The 12217 is an economical and convenient quality assurance tool for continuous monitoring of temperature controlled environments or for spot checking specific areas. The stereo jack gold plated sensor cable ensures accurate and reliable temperature readings. The min/max memory stores the lowest and highest readings for instant recall. Alarms are alerted with an audible and/or visual alarm. It features a fast-responding stainless steel probe with a 10 foot (3 meter) durable cable that detaches from the base unit for easy installation.