Specifications Model WF X8 Color Black Material Carbon Steel Administrator Capacity 30 groups Power Supply 4 AA Batteries not included Emergency Supply Type C Unlock Methods APP Fingerprint Card Password Key Dimensions 260 65 mm Total User Capacity 300 groups Compatible Apps Tuya Smart App Smart Life App Network 2 4G WiFi Low Power Reminder Voltage 4 8V ± 0 2V Emergency Supply Power DC 5V Static Current 80uA Working Current 250mA Working Humidity 20 90 RH Working Temperature 25°C to 70°C Features 1 Automated Surveillance Camera Integrated HD infrared sensor camera captures images even in low light conditions ensuring full time security monitoring 2 Smart Access Management When the doorbell is pressed the fingerprint lock triggers image capture and sends notifications to your mobile app allowing you to remotely decide whether to grant access 3 Multi language Support Equipped with a user interface supporting 9 languages ensuring ease of use across diverse linguistic preferences 4 Versatile Unlocking Methods Offers six different unlocking options fingerprint password IC card mechanical key mobile app and temporary password enhancing convenience and security 5 Emergency Power and Low Power Alerts Runs on 4 AA batteries with a lifespan of about 6 months includes low power reminders when the lock is opened and provides emergency power via Type C connection for uninterrupted operation Package Included 1 F