Multi-Functional Projection Alarm Clock with Thermometer Product Features: Display Functions: This versatile clock projects the time, temperature, and other information onto walls or ceilings for easy viewing from anywhere in the room. Thermostat Capabilities: It includes both indoor and outdoor temperature readings, as well as a projection alarm clock. Special Functions: Additional features include a thermometer, luminous display, perpetual calendar, alarm settings, calendar display, 24-hour indication, humidity measurement, and weekly display. Ideal Spaces: Designed for use in various indoor and outdoor settings, including living rooms, bedrooms, study rooms, dining rooms, entrances, balconies, and commercial spaces. Technical Specifications: Indoor Temperature Detection: Working Range: 0C to 50C (32F to 122F) Detection Cycle: Every 60 seconds Outdoor Temperature Detection: Dual-channel temperature receiving range: -40C to 60C (-40F to 140F) Good reception within 100 meters (328 feet) of obstacle-free distance between the host and transmitter. Detection Cycle: Every 57 seconds Atomic Radio Control: The clock is atomic radio-controlled for accurate timekeeping. Power and Operation: The device is mains powered and can also be operated with batteries for convenience. Additional Features: The projection alarm clock comes with date, temperature, week, alarm status, and backlight functionalities.