Features: Adopted of high performance CPU, stable and reliable. Large LCD display, easy for reading. LCD blue backlight, high-grade and elegant. Memory function when power failure, protect your setting from power failure. Battery powered, easy to change. Pass safety and high reliability tests. Touch buttons to make simple operation Flat mounting,it is easy to install 0.5C accuracy keeps temperature within the level Children lock to prevent wrong operation by children 5+2 days programmable and it can be DIY programmable; 2 preset programmable modes for your choice,it is most convenient for your use. Holiday mode make you enjoy more comfortable temperature in holiday Specifications: Power: 2 x AA 1.5V alkaline batteries (NOT included) Display accuracy: 0.5 Probe sensor: NTC(10k)1% Contact capacity: 16A Working environment temperature: 0~50C Range of temperature adjustment: 5~35C Range of temperature display: 0~40C Output: Switch relay Insulating condition: Normal environment Running program: Set per 1 week as a cycle Installation: Wall mounted or on battery seat Weight: 288g Package included: 1 x Receiver 1 x Sensor Cable 2 x Bag of Screw 1 x Manual Note: The product Doesn't contain batteries. Please check whether your system wiring diagram matches the circuit type in our product diagram before ordering. If your system is different from this type, please purchase with caution. Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. 1Adopted of high performance CPU , stable and reliable. 2Large LCD display, easy for reading 3LCD blue backlight, high-grade and elegant. 40.5C accuracy keeps temperature within the level 5Holiday mode make you enjoy more comfortable temperature in holiday