Features ♥Digital Display: The Temperature Controller Can Show The Real Time Temp In ℃ or ℉, Which Has Resolution of 1℃ or 0.1℃ For Higher Accuracy. ♥Temperature Control Range: Ntc Probe: -50℃～110℃, Pct Probe: -55℃～140℃, ♥Temperature Switching: Microcomputer Temperature Controller With Sensitive Sensor, Automatically Switch Between Cooling And Heating Modes, Keep Your Equipment in The Ideal Temperature Range. ♥Premium Control: Control The Temperature According to The Temperature Setting Value And Return Difference, Enables Output Control And Delay Protection, Also Has Temperature Correction And Sensor Fault Alarm. ♥Practical Works: Allows for Wide Application on Cooler, Refrigerator And So on for The Storage of Food, Vegetables, Fruits, Medicine And More. Digital Display: The Temperature Controller Can Show The Real Time Temp in ℃ or ℉, Which Has Resolution of 1℃ or 0.1℃ for Higher Accuracy. Specification: Item Type: Temperature Controller Model: ETC-974 Working Power Supply: AC230V 50/60HZ Relay Capacity: 8A 220V AC Operating Temperature: -5℃ ~ 55℃ Relative Humidity: 10%~90%RH, non condensing. Storage Temperature: -30℃ ~ 85℃ Sensor: NTC sensor with 10K resistance value. Sensor Failure Delay: 1 Minute Temperature Control Range: NTC Probe: -50℃ ~ 110℃ PCT Probe: -55℃ ~ 140℃ Display Resolution: 1℃ or 0.1℃. Package List:1 x Temperature Controller 2 x Sensor1 x User Manual Package List 1 x Temperature Controller 2 x Sensor 1 x User Manual Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 104 hours Hope you have a pleasant shopping experience!