Item Type: Thermometer_x000D_Model: TM803_x000D_Material: ABS_x000D_Power Supply: 1 x AAA1.5V (battery not included)_x000D_Application: Temperature Test_x000D_Basic SkillsRangeAccuracy_x000D_Internal Temperature-10~501_x000D_14~1221.8_x000D_Outside Temperature-50~701_x000D_-58~1581.8_x000D_Special FunctionTM803_x000D_Maximum Value / Minimum Value_x000D_High Temperature and Low Temperature Upper and Lower Limit Setting Alarm_x000D_Celsius/Fahrenheit Switching_x000D_Sampling Rate1 time/10s_x000D_Long-Distance MeasurementThe external sensor cable is 3 meters long_x000D_Screen SizeApprox. 47x20mm / 1.9x0.8in_x000D_Power Supply1.5V (AAA) (not included) 1To meet different needs, it is suitable for medicine cabinets, aquariums, and refrigeration industries. 2Light in weight and compact in structure, quick installation, no complicated procedures. 3The external sensor has a long cable to meet the requirements of long?distance measurement. 4The thermometer has good characteristics, high stability, and accurate test results. 5With high temperature and low temperature limit setting alarm, Celsius and Fahrenheit conversion function. 1 x Thermometer(Battery Not Included) 1 x Suction Cup 1 x Manual 1 x Double-Sided Sticker