Features Includes 0.78" (20mm) stainless steel probe with 9.6ft (2.9m) cable Measures temperature from -40°F to 158°F (-40°C to 70°C) ±1.8°F/1°C basic accuracy with 0.1° max resolution Audible and visual alarm alerts when temperature level is higher or lower than the user programmed Min/Max, Data Hold and Low battery indication Waterproof housing and sensor designed to meet IP65 Complete with foot stand, temperature sensor, and a CR2032 3V button battery Specifications Display: Multi-function LCD Measurement range: -40 to 70°C (-40 to 158°F) Resolution: 0.1°C/°F Protection safety rating: IP65 rating on meter and sensors Low battery indication: Battery symbol appears on the LCD Power supply: CR2032 3V button battery Meter Dimensions: 86(L) x 57(H) x 30(D) mm / 3.4(L) x 2.2(H) x 1.2(D)" Cable length: 209m (9.6 ft.) The TM20 is a Compact Waterproof Temperature Indicator with Stainless Steel Probe. Includes 0.78" (20mm) stainless steel probe with 9.6ft (2.9m) cable. Measures temperature from -40°F to 158°F (-40°C to 70°C). Complete with foot stand, temperature sensor, and a CR2032 3V button battery. CE certified.