1The doorbell function: press the button to ring the doorbell & wake-up ringtone. 2Live Voice alarm: the whole process of voice navigation, easy to operate. 3Simple installation: No need to punch, use external wiring and network equipment directly. 4Alarm lock:5 times in a row to input the wrong password, the system will alarm and be locked for 3 minutes. 5With convenient hook design, wide application scope: can install frameless/ frame glass door, single/ double door, left/ right door, horizontal shift door, automatic door and others, without auxiliary tools to be inserted.Features:The doorbell function: press the button to ring the doorbell & wake-up ringtone. Live Voice alarm: the whole process of voice navigation, easy to operate. Simple installation: No need to punch, use external wiring and network equipment directly. Alarm lock:5 times in a row to input the wrong password, the system will alarm and be locked for 3 minutes. With convenient hook design, wide application scope: can be used in frame-less/ frame glass door, single/ double door, left/ right door,sliding door, automatic door and others, without the use of ground plug and other auxiliary tools. Various unlock options: fingerprint, password, swiping card, remote control. A card solution: Support a variety of non-contact smart cards (for example, can use second generation ID to unlock afteradding). Standby external power supply: suitable for Android phone USB standard interface, emergency power unlocked when the battery is exhausted and the power supply fail. Password Protection Design: can add many wrong passwords before/ after inputting the correct password when use a password to unlock.Press to confirm be locked. Can input up to 30 digits in the anti-peep function. Low energy consumption:4 1.5V alkaline dry batteries supply power. They can work for a year constantly. Also features low-power protecting and warning (please change the battery urgently after prompted to unlock about 200 times). Respiratory light mode: automatic identification of user operation. Blue: Wake up, Red: Wrong, Green: Right. Specifications:Material: ABS+aluminium alloyColor: As picture shownUser support: 1 administrator + 99 usersPassword capacity:300 (including passwords, fingerprints and cards)System Management: enter main menu bar, the system management interface by pressing "0" + " "Regular Open Settings: unlock and press "2" + "8" to enter the normal open stateSecurity protection: the system locked for 3 minutes, if continuously input the wrong password 5 timesEmergency power supply: DC5V external power supply (USB interface)Menu display: 0.96 display hierarchical management menuCollector: Semiconductor acquisition moduleRead card type: CPU card, MF card, IC cardWorking voltage: 4 AA 1.5V alkaline batteries ( batteries excluded)Applicable door thickness:10-12mmOperating temperature:-25~65