1Easy installation: no need to punch holes, external wiring and network equipment required. 2Alarm lock: enter the wrong password 5 times in a row, the system will alarm and be locked for 3 minutes. 3Various unlocking options: fingerprint, password, credit card and remote control. 4One Card Solution: Support a variety of non-contact smart cards (e.g. using second-generation ID cards can be used to unlock after adding). 5Backup external power supply: for Android mobile phone USB standard interface, emergency power supply unlock when the batteries exhaustion and power failure. Features: Doorbell function: press the doorbell button to wake up the bell.Real person voice alarm: voice navigation throughout the process, easy to operate.Easy installation: no need to punch holes, external wiring and network equipment required.Alarm lock: enter the wrong password 5 times in a row, the system will alarm and be locked for 3 minutes.Wide applicability: frameless/frame glass doors, single / double doors, left / right doors can be installed.Various unlocking options: fingerprint, password, credit card and remote control.One Card Solution: Support a variety of non-contact smart cards (e.g. using second-generation ID cards can be used to unlock after adding).Backup external power supply: for Android mobile phone USB standard interface, emergency power supply unlock when the batteries exhaustion and power failure.Password Protection Design: When unlocking with a password, you can add multiple false passwords before/after the entering correct password. Press to confirm the lock. (The anti-peep garble can be entered up to 30 digits.)Low energy consumption: 4pcs 1.5V alkaline dry batteries are powered. They can work continuously for one year. It also has low power protection and warning functions (about 200 times for unlocking after prompting, please change the batteries urgently).Breathing Light Mode: Automatically identify user actions. Blue: Wake Up, Red: Error, Green: Correct.Specifications: User Support: 1 administrator + 99 users Password Capacity: 300 (including password, fingerprint and card) System Management: Press "0"+" " to enter the system management interface. Main menu bar Normally Open Setting: the administrator unlocks and presses "2" + "8" to enter the normally open Security Protection: enter continuouslythe wrong password for 5 times, the system will locks for 3 minutes Emergency Power Supply: DC5V external power supply (USB interface) Menu Display: OLED 0.96 display hierarchical management menu Collector: Semiconductor Acquisition Module Read-card Type: CPU card, MF card, IC card Working Voltage: 4pcs AA 1.5V alkaline batteries (Batteries not Included) Applicable Door Thickness: 10-12mm Size: Shown as the picture Package Weight: 1692g/59.7oz Package List: 1 * Fingerprint Lock Host(Batteries not Included) 1 * Mounting Accessories 1 * Single Door 304 Stainless Steel Side Strip 2 * IC Cards 1 * User Manual Note:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.