Programmable: Features 5+2, 6+1, or 7-day weekly programming with up to 6 periods (allowing for different time and temperature settings per period) for a daily schedule that maximizes comfort and economy. Manual mode is available to pause configured schedules and switch to the current setting as needed. Power Failure Memory: When the power is suddenly interrupted and then restored, the machine will operate according to the status procedure before it automatically shut down. Child Lock: Designed to prevent children from accessing dangerous content or accidentally operating functions. Elegant Touchscreen: The touchscreen makes it easy to plan, change, and override temperatures with large, clear, and intuitive on-screen text guidance. Compatibility: Suitable for 3A water supply heating systems, can be used with water valves and thermal actuators, etc. Package Contents 1 * Thermostat 2 * Installation Screws 1 * User Manual (English Version) Color: Black Size: 86*86*14mm Quantity Supplied: 1 piece