Feature: 1. Remote Unlocking Capabilities: Door access control system allows for convenient remote unlocking through the use of a remote controller. Simply unlock the door remotely, close it, and the system automatically locks it within 3 seconds. The remote control distance ranges from 0 to 10m, providing flexibility and ease of access. 2. Multiple Unlocking Modes: Electronic door access offers a variety of unlocking modes, including remote control unlocking, ID key unlocking, IC card unlocking, and mechanical unlocking. Users can choose the most suitable method based on their preferences and needs for enhanced security. 3. Advanced Smart Security Features: Electronic intelligent door lock provides high security protective for your door. With no visible keyhole, the lock is nearly impossible for intruders to tamper with, enhancing the overall security of your property. 4. Long Battery Life and Durability: The system operates on low power consumption, with four AA batteries (not included) providing approximately one year of usage. The sturdy stainless steel construction ensures long lasting performance, with no signs of wear after multiple uses. 5. Versatile Applications: Suitable for offices, homes, hotels, security doors, entrance doors, wooden doors, garage doors, and more, the door access control system offers a versatile solution for enhancing security and convenience in various settings. Specification: Item Type: Remote Control Electronic Intelligent Door Lock Material: Stainless Steel Unlocking Method: Key Card, Mechanical Key, ID Key, Remote Control Main Lock Power Supply: 4 x 1.5V AA Batteries (Batteries not included) Remote Control: 27A 12V 30mAH Dry Battery (1 battery included in each remote). Package List: 1 x Lock Body 1 x Lock Ear 1 x Lock Core 3 x Keys 10 x ID Key Ring 1 x Lock Card 1 x ID Card Reader 2 x Bamboo Screws 1 x Square Plate 6 x Screws 2 x Remote Controllers