Size: As shown; Color: D Key benefits Keyless entry for convenient access without carrying keys. Fast and reliable semiconductor fingerprint recognition for onetouch unlocking. Multiple credential options: fingerprint, password, and IC card for flexible access control. Ergonomic handle designed for comfortable operation and easy installation. Built with zinc alloy for durable daily use and a C plus level lock cylinder for enhanced security. Large battery capacity for extended operation and stable performance. How this lock solves common problems Lose or forget keys: use fingerprint, password, or IC card to enter. Multiple users in one household or small office: store up to 100 fingerprints and 300 passwords or IC card IDs. Uncomfortable handles or awkward operation: ergonomic handle design makes opening the door natural and simple. Power concerns: 4200 mAh lithium battery provides long runtime before recharging or replacement. Main functions and features Fingerprint: semiconductor fingerprint recognition with storage for up to 100 fingerprints. Password: supports up to 300 passwords; equipped to protect actual password input. IC card: stores up to 300 IC card records. Language: Chinese and English menu options. Lock cylinder: C plus level lock cylinder. Operating temperature range: minus 20 C to 60 C. Applicable door thickness: 45 mm to 110 mm. Product size: 403 mm x 78 mm x 45 mm. Material: zinc alloy. Power: 4200 mAh lithium battery. What is included 1 x Smart Door Lock Note: other items shown in images are not included. Practical applications Residential front door: convenient keyless access for family members and temporary credentials for visitors or service personnel. Small office or studio: manage multiple staff entries with fingerprint, password, or IC card, while keeping physical keys to a minimum. Rental property or short stays: assign temporary passwords or IC cards for guests without changing mechanical locks. Installation and compatibility Fits doors with thickness between 45 mm and 110 mm. Designed for standard residential and light commercial doors; check door preparation and dimensions before installation. Operates in a wide temperature range from minus 20 C to 60 C for indoor and sheltered outdoor installations. Notes Allow a measurement tolerance of 1 to 3 cm. Actual product color may vary slightly due to monitor differences. Product language options: Chinese and English. This smart lock provides secure, flexible, and convenient access control without keys, combining fingerprint recognition, password entry, and IC card support for everyday use.