smart door lock 12V Electronic Door Lock Access Control System Silver Security Smart Intelligent Single Head Lock With for Home Intercom System

Features: During the closing process, the locking tongue does not touch the lock, no collision, and no noise. Double-headed lock, double protection inside and outside, can be opened with a mechanical key, anti-tailing. Automatic sound and light prompt for the working state of the lock. Incorrectly unlocking, or no one enters or exits after unlocking, the door will automatically lock after 5-8 seconds to ensure safety. In case of power failure or circuit failure, the key or handle can be used for emergency unlocking. It has positive and negative control unlocking functions and building intercom, access control, and system matching. There is an indicator light on the lock head, which can be used as lighting for opening the door with a key at night while prompting the working condition of the lock. Synchronous motor, metal gear, more rugged and durable. Equipped with a mounting kit for easy installation. Manually unlock support. An external remote control device can be conne