1.Fingerprint capacity : 100 groups of fingerprints.
2.Sensitive fingerprint identification, smart appearance, mini size.
3.Sturdy and portable : Made of aluminum alloy metal body and stainless steel shackle, Anti-oxidation, Uv resistance,Shear protection and anti-sawing.
4.Widely usage: IP 67 waterproof level, not only for home use, it can be used in suitcases , luggage, gym, shool, fence,toolbox,cases,cabinets or anywhere you want.
5.Don't have to worry about losing the key. Your finger is the key.