The ChefAlarm is a professional cooking thermometer and countdown/up timer with interchangeable NTC thermistor probes.Temperature reading in less than 4 secondsDesigned for commercial kitchensAdjustable 92dB audible alarmMonitor from outside of the oven or BBQ using the digital display The ChefAlarm is a professional cooking thermometer and countdown/up timer which displays the countdown/up time, current temperature and simultaneously displays both the high/low alarms and max/min temperatures. The timer is fully programmable, allowing the user to set the count up/down time to/from 99 hours, and 59 minutes. The unit incorporates a large, easy-to-read LCD display with user selectable backlight and a loud audible alarm with an adjustable volume to 92dB - ideal for busy professional kitchens. The ChefAlarm also includes a calibration function allowing the user to fine-tune the accuracy of the thermometer (±2.2 °C). The unit is housed in a water-resistant casing and is designed to either sit on a worktop or attach to the outside of an appliance using the magnetic pads at the rear of the instrument. Each ChefAlarm is supplied in a padded zip wallet complete with a penetration probe (810-071). Click the Probes or accessories tab above for probe specifications. Data sheet Range: -50 to 300 °C Max/Min: Yes Resolution: 0.1 °C/°F Accuracy: ±1°C (-20 to 120°C),±2°C between –50 to -20 and 120 to 200°C,±3°C between 200 to 300°C Alarm: Yes Battery: 2 x 1.5 volt AAA Battery Life: 5000 hours Alarm Volume: 92bB Sensor Type: Thermistor Dimensions: 19 x 70 x 152mm Weight: 165 grams Case Material: ABS plastic Guarantee: one year Water/Dust Resistance: Water Resistant Measurement Scale: Celsius/Fahrenheit Timer: Count up & count down