This keyless lock gives you great peace of mind as it is designed with a built-in fingerprint scanner that only gives access to those who have saved their fingerprints in the lock's memory. You can now forget about carrying keys or worrying about losing them! Its water proof exterior ensures your lock is resilient against weather elements, while it not requiring any app ensures that you're using hassle free technology. The Smart Keyless Fingerprint Lock can save up to ten fingerprints, which means multiple authorised users can easily use the same lock without any issues. Plus, with its 2,500 times usage and two year standby time after just one charge, this lock provides reliable long term protection for lock owners. Additionally, its intelligent fingerprint scan area can be 3D hidden when not in use to avoid damage. It also features IP65 waterproof and dustproof design, useful in a variety of scenarios such as baggage, doors, storage boxes, bicycles and more. Material: Zinc AlloyLock Type: BiometricBattery: 300mAhContinuous Standby: Two years Waterproof Rating: IP65 Size: 90 x 55 x 25 mm / 3.54 x 2.17 x 0.98 inchesNet Weight: 189g