1、Access control card can be used to unlock the door, support for EM or SM compatible card, long-distance high-speed reading card, internal and external double reading card. 2、4pcs AA batteries (excluding) power supply, long service life, can be used for more than one year. 3、Simple installation, no need of wiring, safer and more convenient to use. 4、When the battery is exhausted, you can use the standard mechanical key to unlock the door, ensure timely access. 5、Support adds 970 ID card users, which can bring much convenience for you. 6、Realize the integration of access control main engine and smart lock. 7、Compatible with all building intercom and access control system unlock signal. 8、Equipped with anti-skid alarm, unclocked timely alarm. 9、Automatically lock after closing the door. The lock state is provided with sound and light prompt, and the door is closed without collision, noise . 10、The integrated structure is designed to prevent damage, its circuit and mechanical design is reasonable, simple to operate, and durable. 11、The infrared controller and the management card are used to manage the sensor card of the lock. 12、Widely used in home, office, school, hotel, factory, warehouse, etc.