A door chain device designed to limit how far a door can open, allowing occupants to identify and speak to a caller before the door is fully released. By restricting the opening angle, it adds an extra layer of security against unauthorized entry while maintaining the ability to communicate with someone at the door. The product is built for smooth operation and reliable performance, with straightforward installation.
Features
- Reduces door opening angle
- Enables occupant to identify caller
- Allows speaking through the door before release
- Provides protection against forced entry attempts
- Smooth and robust operation
Technical Specifications
Price History
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