Advanced Digital Display: This smart thermostat is equipped with a high-resolution LCD screen that enhances visibility and user interaction. It's powered by two 5V batteries and efficiently controls your boiler's operation to maintain optimal room temperature. Easy Installation & Flexible Placement: Designed for hassle-free installation, this thermostat can be mounted on a wall or placed at any convenient location in your home. Its battery operation eliminates the need for complex wiring, offering greater installation flexibility. Customizable Programming: Tailor your heating needs with the thermostat's 5+2 week programmable feature. Set different temperatures for weekdays and weekends to enjoy a comfortable environment while optimizing energy usage. Safety Features: Equipped with a child lock to prevent unintended adjustments and an antifreeze function that protects your pipes from freezing temperatures, this thermostat ensures your home's heating system operates safely and efficiently. Professional Recommendation: For optimal performance and safety, professional installation of this thermostat is recommended. It comes with a protective film on the screen to preserve its quality until it's ready for use. Colour:White Material:PC Package Contents: 1 * Smart Thermostat(Not including 2xAA batteries) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.