Virtual password to prevent peeping unlocking,Anti-peeping virtual password, enter any part as long as one of them is correct Smart IC card is safe and fast,The elderly, children, and people with incomplete fingerprints Worry-free and quick unlocking Remote unlocking, distance is no longer a problem Support Bluetooth, WiFi, APP, app remote operation Large-capacity battery compartment for long battery life Integrated curved design, scratch- and wear- model:FM08 Fingerprint head:Semiconductor fingerprint head Working voltage:6V Power supply method:4 xAAA alkaline batteries emergency power supply:MICRO-USB Low voltage alarm:4.8V working temperature:-20C-40C Static power consumption:60 microampere consumption:Less than 250mA Working humidity:20%-90%RH False recognition rate:Less than 0.001% resolution:508DPI Lock body: (50x50) 22x160mm The product appearance and printed words depending on the batch, but this does not affect use Colour:As Shown Material:ABS Package Contents: 1 x Electronic Door Lock Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.