Feature: 1. Access control card can be used to unlock the door, supports for EM or for SM compatible card, long‑distance high‑speed reading card, internal and external double reading card. 2. Adopt 4pcs AA batteries (excluding) power supply, can be used for more than one year. 3. Easy to install, 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 pick‑proof 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. Specification: Condition: Brand New Item Type: Door Lock Material: Stainless Steel Color: Silver Power Supply: 4 x AA Batteries (Not Included) Battery Life: More Than 1 Year Power Supply of Remote Control: 1 x CR2025 Battery (Built-in) Number of Cards: 970 Users Static Current: <38mA Operating Current: <350mA Operating Temperature: -40℃ - 70℃ Working Humidity: < 95% Unlock Mode: Internal rotation button, external metal key, external ID card, internal ID card RF Card Unlocking Reaction Time: <0.5s Card Reading Distance: Approx. <20mm/0.8in Automatic Lock While Unlock by Mistake: Support, Delay 10 Seconds Door Closing Inductive Anti-interference: Support, Delay 0.5s . Package List: 1 x Lock Body1 x Locking Lug1 x Outdoor Swiping Shield1 x Lock Head3 x Key1 x Install Accessory Package2 x ID Card1 x Management card1 x Infrared Controller1 x Instruction