The BYC3 safe deposit box boasts multiple outstanding features, excelling in material quality, storage, unlocking mechanisms, security, monitoring, power supply, and watch winder functionality, providing users with a comprehensive, convenient, and secure experience. The detailed specifications are as follows:

1. Safe and Eco-Friendly Material: Constructed entirely of steel, it is sturdy, durable, and formaldehyde-free, ensuring safety during use.

2. Rational Storage Compartments: Features three zones, including a 3-head watch winder area and a two-layer drawer storage section, catering to diverse storage needs.

3. Intelligent Door-Opening System: Equipped with an automatic door-opening mechanism that activates upon successful verification, offering effortless operation.

4. Elegant Exterior Design: 360-degree full leather wrapping with multiple color options; tempered glass operation interface paired with an LCD screen displaying temperature, humidity, and battery level.

5. Versatile Unlocking Methods: Supports fingerprint unlocking (utilizing a semiconductor fingerprint module for fast and accurate recognition, capable of storing 100 fingerprints), PIN unlocking (6-digit password), key unlocking, Bluetooth unlocking, and remote unlocking via smartphone.

6. Exceptional Security Performance: Built-in vibration alarm and anti-theft/anti-prying features for enhanced safety; also supports WiFi connectivity for real-time monitoring of the safe deposit box.

7. Convenient and Energy-Efficient Power Supply: Powered by a rechargeable lithium battery with a Type-C charging port for easy recharging.

8. Practical and Abundant Accessories: Includes a full-leather jewelry box as a standard accessory.

9. Powerful Watch Winder Functionality: The watch winder zone features a visible compartment with 6mm thickened tempered glass for real-time viewing of your timepiece; equipped with an imported Mabuchi motor for stable and silent operation. The LCD screen independently displays watch winder parameters and includes touch-sensitive buttons for individual control. The watch winder area also features an LED top light for ambient illumination.