Feature: Temperature Range: -50°c ~ 99°c Accuracy: ± 1 ° c (-30°c ~ +40°c) Operating Temperature: -5° c to + 50° c Humidity: 5% to 80% Resolution: 1 ( ? -20° c ) 0.1°c( > -20°c) This item only have the °C display. Dimension: 48 x 28 x 5mm Display size: 36 x 16mm Installation size: 46.2 × 26.7mm Sensor Cable Length: about 1 Meter Power Supply: two button batteries (battery type: LR44/AG13 voltage: 1.5V) Especially applied in refrigerator, chiller, deep freeze etc. LCD display H°c when temperature is higher than 99°c. LCD display L°c when temperature is higher than -50°c. Package Includes: 1 x Digital Thermometer (NOT included ) Brand : Other Category Type : Thermometers Species : Fish