ITEM NAME:Digital Temperature Controller LED Display Thermostat NTC Thermometer Meter Product Description Description: Features: Celsius (℃) and Fahrenheit (℉) can be measured and displayed. Buzzer is added to make sound alarm. Red and blue two-color indicator lights indicate both output and working mode. Red is heating mode, blue is Cool mode, and working mode is clear at a glance. Specifications: Temperature control range: -55℃~120℃/-67℉~ 248℉ Accuracy of temperature control: 0.1℃/0.1℉ Display color: Red + Blue Working power supply: DC24V Sensor: NTC 10K 1m (with probe) Product Size: 79.2mm x 41.9mm x 26.3mm/3.12 x 1.65 x 1.04" Opening size: 72.1mm x 39.2mm/2.84 x 1.54" Product weight: 52g Notes: 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! 2. Please allow 1-3cm measuring deviation due to manual measurement. Included: 1 X Digital Temperature Controller.Sensor: NTC 10K 1m (with probe). Product Size: 79.2mm x 41.9mm x 26.3mm/3.12 x 1.65 x 1.04". Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures.