Features: 1.Use the access card or remote control to unlock when entering or leaving the door. 2.Support EM or SM compatible card, long?distance high?speed card reading, internal and external double?reading card; support 315M learning remote control. 3.It realizes the integration of the access control host and the smart machine lock. 4.It is compatible with the unlocking signals of all building intercom systems and access control systems. 5.After the door is closed, it is automatically locked. The state of the lock has sound and light prompts, and the door is closed without collision, noise, and environmental protection. Specification: Features: Use the access card or remote control to unlock when entering or leaving the door. Support EM or SM compatible card, long-distance high-speed card reading, internal and external double-reading card; support 315M learning remote control. It realizes the integration of the access control host and the smart machine lock. It is compatible with the unlocking signals of all building intercom systems and access control systems. There is an anti-slam door alarm. It will alarm if you do not close the door on time. After the door is closed, it is automatically locked. The state of the lock has sound and light prompts, and the door is closed without collision, noise, and environmental protection. The integrated structure design has high anti-destructiveness, reasonable circuit and mechanical design, easy installation, simple operation, and durability. Suitable compatible withhomes, offices, schools, hotels, factories, warehouses, etc. Specifications: Condition: New Color: Silver Material: Zinc Alloy Input voltage: DC 12 V Static current: