appropriate height

USB power adapter is not included

Using vibration

Specification: 15ml

warm palace hot compress

Advanced Fingerprint Smart Lock for Wooden Doors – Key, Card, Password & App Access Color:Black appropriate heightFingerprint head type: semiconductor fingerprint head Power supply: 4 AAA batteries Recognition speed: <0. 5 seconds Product material: aluminum alloy Working temperature: 20~60 Resolution: 508DPI Battery life: about 12 months Lock core level: pure copper lock core Password length: 4 8 digits password Unlock method: fingerprint, key, password, magnetic card, temporary password, APP unlock (WIFI option) Unlock capacity: 100 fingerprints, password +