RUILON PCB51 Smart Door Lock with 3 RFID Cards - Digital Door Lock for 30-70 mm Front Door, Keyless Entry, APP Control, Easy to Install, Bluetooth Electronic Deadbolt Bedroom Office Hotel Apartment

• Multiple unlock methods: Permanent password, temporary password, RFID card, Bluetooth app, spare USB, and remote unlocking. Remote unlocking smart door lock requires the additional purchase of our WIFIBOX
• Multiple users: You can set 10 permanent passwords on the digital door lock (1 administrator, 9 regular users) or you can set 10 permanent passwords and countless temporary passwords on the APP
• Easy to install: our smart lock replaces normal door locks, with no drilling or wiring required, for reliable and simple installation in 5 minutes. The lock cylinder is adjustable and suitable for doors with a thickness of 30-70 mm
• Secure and reliable: Withstands up to 100,000 unlock cycles. The electronic door lock operates in temperatures ranging from -25 to 60°C. IP65. The smart front door lock requires installation on doors with eaves
• Low battery alert: When the battery level falls below 20%, the keyless door lock will emit a low-battery warning tone to remind you to replace the batteries promptly. You may also monitor the battery level in real time via the APP
• 2 years of product support: If you have any questions about code door lock regarding installation, configuration, missing parts, technical support, etc., please do not hesitate to let us know and we will respond within 24 hours

----Technical specifications: Product: electronic door lock with number code Operating mode: passcode + RFID card + Bluetooth + app. Code capacity: 10 (1 administrators, 9 normal users) Smart card capacity: 20 Working temperature: (-25ºC ~ 60ºC). Power supply: 3 x AAA batteries, not included. Waterproof Rating: IP67 Frequency of battery replacement: 10 times a day, running time up to 1 year. Smart lock cylinder length is adjustable, recommended door thickness: 30 mm ---70 mm, suitable for 99% of doors. Material: stainless steel and zinc alloy. Cylinder Net Weight & Size: 500g (16.9oz) Possibility of granting permanent access: Yes. Possibility of temporary visit: Yes. Unlock dataset: When unlocking via the app, the record can be queried via the app. Possibility to delete card and fingerprint authorization: Yes Low battery reminder: yes. Emergency Release Method: Yes ----Packing list 1 x electronic lock cylinder. 2 x hexagonal screwdrivers. 1 x instructions (English language 3 x smart cards. 1 x replacement screw pack.