Features: 1. The high-definition mirror reflects subtle light and shadow, paired with a silver rotating shell to create a dynamic visual rhythm. The sleek design delivers a cool, fashionable, and refined look. 2. Precise electronic timer eliminates the need for repeated mechanical pressing every 5 seconds, allowing for quick and easy adjustments. 3. Large mirror with high-definition digital display ensures clear visibility of numbers whether standing or sitting. 4. Silent digital display timing design operates quietly, ideal for calm learning, focused office work, and noise-sensitive environments. 5. Three-level timing reminder options adapt to different environments and sound level preferences. 6. Adjustable timing range from 00:00 to 99:55, supports both forward and countdown modes for versatile time management. 7. Easily attaches to blackboards, refrigerators, and other metal surfaces with strong magnetic backing that stays securely in place. Notice: - Actual color may vary slightly due to differences in monitor displays and lighting conditions. - Allow 1-3 cm variation due to manual measurement. Product Information: 1. Name: Rotating Countdown Timer 2. Material: ABS 3. Color: Black 4. Working Voltage: 4.5V (3 AAA batteries required, not included) 5. Operating Temperature: 0°C to 50°C 6. Timing Range: 99 minutes 55 seconds 7. Volume Settings: Silent (0 dB), Low (60–70 dB), High (80–90 dB) 8. Product Dimensions: 78 x 78 x 27.5 mm Countdown Settings: - Turn the knob to set the desired countdown time. Press the mirror to start. - Rotate right to increase time, rotate left to decrease. - Rotation greater than 60 degrees allows fast minute adjustment; rotation under 60 degrees adjusts seconds at a slower rate. Forward Timing Settings: - After setting to 00:00, press the mirror to begin timing. - To pause, press and hold the mirror for 1 second. Package List: 1 x Stopwatch