Nanjing Duotai Smart Technology Co., Ltd.
Nanjing Duotai Smart Technology Co., Ltd.
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I. Core Features and Design
Material Properties
The housing is crafted from ABS engineering plastic, offering high impact resistance, corrosion resistance (e.g., to salt, alkali, and chemicals), and consistent color across batches without requiring painting processes, meeting environmental standards.
Select products achieve a paint-free appearance by incorporating pearlescent or metallic powder additives, balancing aesthetics and durability.
Unlocking Methods
Fingerprint Recognition: Utilizes biometric technology for rapid, responsive unlocking.
Password Entry: Features a numeric keypad for preset codes, with select models supporting anti-peeping (allowing random digits mixed with the actual code to prevent snooping).
Emergency Power Interface: Powered by 4 AA batteries (12–18 months lifespan). A low-battery alert triggers, and an external emergency power source (e.g., USB) can temporarily
Mechanical Structure
Electromagnet Control: Upon correct authentication, the electromagnet activates to retract the bolt. The door opens by rotating the front panel dial, ensuring dual mechanical and electronic security.
II. Accessories and Interaction Details
Keypad Design
Illuminated Buttons: Auto-lit when activated for visibility in low light; some models offer adjustable brightness.
Touch Feedback: Durable ABS surface ensures responsive touch and fingerprint-resistant design.
Battery and Power Management
4 AA Batteries: Delivers 12–18 months of operation, with a low-battery indicator on the panel.
External Emergency Port: Supports temporary power via a 9V battery or Micro USB to prevent lockouts during emergencies.