Features: Experience seamless climate control with the WiFi Wall Mounted Thermostat, featuring double connectivity via WiFi and RF433 for reliabled remote access, even through thick wall. This RF433 temperature controller combines 10 premium features including programmable schedules, and clear LCD displaying real time humidity/weather data. Ideal for homeowners, property managers, and HVAC professional seeking centralized heating management across residential complexes or vacation properties through secure wireless operations. Optimizes boiler performances in detached houses, apartments, or commercial spaces by maintaining preset temperatures while preventing pipe freezing during winter absences. Engineered with energy saving auto dimming and power outage memory functions, this intelligent wall mounted thermostat ensures year round comfort across diverse architectural layouts and climate zones. Specifications: Component:Plastic Thermostat Size:Approx. 118x24x86mm/4.64x0.94x3.38inch Receiver Size:Approx.86x86x30mm/3.38x3.38x1.18inch Power supply: 3 5# batteries (not included) Operating environment: 5℃~50℃ Power consumption: 1W Radio frequency: 433MHZ Receiver current: 3A Receiver radio frequency: 433MHZ Package Includes: 1 Set Room Temperature Controller(without battery) note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.