Description:High-quality smart boiler thermostat including a transmitter (free-standing) and receiver (wall mounting) set with a transmission range of 100 m. The button operation is more flexible, and more experience. And you can also remotely control the thermostat by an app from your phone.Features:[Stable]Relying on stable RF wireless technology, the thermostat is paired with the receiver, the signal is stable, and the pairing speed is fast.[Smart Control]Supports application operation, easier for scheduling programs, set functions, and checks current states by the application. [Weekly-programmable]Smart thermostat support up to 6 events that can be set separately for each day.[Voice Control]You can use voice control through Google Home and Amazon Alexa for smart thermostats.[Multifunctional]With a 3.2inch large LCD screen, support antifreeze function, child lock function, etc.Specifications:Color: White; Black (Optional)Type: BoilerDesign: Wi-FiMaterial: PCBattery: 3*AA Batteries(Not Included)Wireless Frequency: 433MHz(FSK)Transmission distance: <=100mPower: 3WDisplay Accuracy: 0.1CTemperature setting: 5-95CDegree of protection: IP20Package Size10.2*9.6*7cmPackage Weight: 299gPacking List:1 * Smart Thermostat1 * Receiver1 * Accessory Kit1 * User manual