1. The alarm sound is loud enough to wake you up. 2. The display remains illuminated at all times. 3. The clock does not retain time settings after power loss and must be manually reset. 4. Temperature and humidity readings are for general reference only and may vary slightly compared to professional-grade instruments. The weather forecast function is approximate and intended for informational purposes. The projection head rotates up to 180 degrees. 5. The display screen faces the user, and the projection arm extends toward the rear of the device. The projected image appears upright when viewed from the direction aligned with the projection arm. This design follows ergonomic principles. Product Features: 1. LCD color display with LED backlight 2. Time display, projection time, and adjustable calendar display 3. Humidity and temperature display: Automatically detects and shows current environmental humidity (20%RH–99%RH) and temperature (0°C–50°C / 32°F–122°F). Based on these readings, it provides a general weather status indication. 4. Records maximum and minimum temperature and humidity values 5. Alarm and snooze functionality 6. Voice control capability 7. Adjustable projection angle 8. Compact, minimalist design with large, easy-to-read digits visible from multiple angles 9. Power supply: USB cable included Dimensions: 18 × 9 × 4 cm Material: ABS plastic Color: Black + Blue Package Includes: 1 × Projection alarm clock 1 × USB cable Note: Actual product color may vary slightly due to lighting conditions and screen settings. Measurement tolerance: ±1–3 cm.