Features: This rail mounted temperature controller features adjustable upper and lower limit alarms, allowing precise temperature control for your home smart system. Made of quality plastic, this temperature controller with highbrightness LED display ensures clear visibility. Designed for homeowners seeking intelligent temperature control, this temperature controller is suitable for both ACandDC power supplies. It is perfect for those who value convenience and efficiency in managing their home temperature. Whether you want to maintain a comfortable living environment or protect sensitive equipment, this temperature controller is an idealchoice. It can be used in various settings such as homes, offices,warehouse, and laboratories. With its reliable relays output and customizableoptions, this temperature controller provides a seamlessintegration into your existing smarthomesystem. Experience effortless temperature management like never before. Specifications: Material: plastic Voltage: 220V/24V(optional) Size: approx 6.4x8.4x3.6cm/2.5x3.3x1.4inch Measuring ranges: -50 to -19.9 to 99.9 to 120℃ Accuracy: 0.5%FS±1 Package Includes: 1xTemperature Controller note: Please allow 1 to 3cm error due to manual measurement, please make sure you do not mind before you bid, Due to the difference between different monitors, the picture may not reflect the actual color of the item.