Feature 1It uses high reliability single chip which has excellent performance and strong antiinterference ability 2Children lock protection for preventing kids from misoperation 3Data memory function when there is power failure 4Holiday mode allows you enjoy a more comfortable temperature when go home from holiday 5Easy to operate, You can also use the button on the thermostat to set different working modesThis thermostat is made of quality material, durable and safe to use. It is easy to install and convenient to use. Features children lock function to prevent from misoperation and data memory fuction when there is power failure. Features: It uses high reliability single chip which has excellent performance and strong anti-interference ability. Children lock protection for preventing kids from misoperation. Data memory function when there is power failure. Holiday mode allows you enjoy a more comfortable temperature when go home from holiday. Easy to operate, You can also use the button on the thermostat to set different working modes. Specification: Condition: 100% Brand New Material: ABS, Plastic Color: White Power Supply: 2*AA Battery(not included) Power: <0.3W Load Current: 3A(Water Heating) Temperature Diaplay Range: 0-40C Working Temperature: 1-70C Accuracy: 0.5 Set-point Temperature Range: 5- 35 Output: Switch Relay Probe Sensor: NTC10K1% Contact Capacity: 5A Boiler Heating Running Program: Set per 1 week as a cycle Size: approx. 8.6*8.6*2.9cm/3.39*3.39*1.14in Weight: approx. 170g/6oz Package List: 1 * Thermostat(Battery Not Included) Note: 1. Please allow 1-3cm error due to manual measurement, thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object, please take the real one as standard. .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }3.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