1、Integrated fingerprint recognition: semiconductor fingerprint recognition is faster and more accurate than optical fingerprint recognition. 2、Anti‑theft is more secure, circuit board multi‑layer protection, isolation of high‑frequency electrical pulse interference and prevent misopening. 3、Two unlocking methods, fingerprint and key unlocking, and has a capacityof 40 fingerprints. 4、Hidden keyhole, rounded appearance, screw cap design, hidden lock cylinder, simple operation, scratch-resistant and rust-resistant. 5、Rechargeable 18650 lithium battery life(include battery), integrated battery box design, low‑power electromagnetic chuck. 6、USB emergency power supply port, environmentally friendly flame‑retardant ABS material, anti‑static and flame‑proof.