No key Don't remember password, fingerprint opens instantly Smart fingerprint unlocking Supports 360 in any direction Press fingerprint recognition Semiconductor fingerprint module Recognize quickly and accurately Fingerprints of old people and children can be easily identified Wide range of applications Applicable to various scenarios Suitable for both private and public spaces fast charging IP55 dustproof and waterproof Supports 20W fast charging to charge mobile save charging time smart chip Prevent overloading and overheating Unlocking : fingerprint Number of fingerprints: 20 Interface type:Type-c Charging time: 30 minutes to fully charge Colour:Black Material:Zinc Alloy Package Contents: 1x Fingerprint padlock 1x type-c charging cable 1x Instructions in Chinese and English 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.