【Quick and Easy】Prezlock APP is flexible and convenient for the owner to manage users and fingerprints, you can share lock for duration usage, number of usage or unlimited usage, and you can keep track of the locking history and location on the App. Great for business and personal use. 【Precise engineering】Our padlock is very smart. It is equipped with a fast, precise biometric fingerprint module, installed with the latest secure algorithm logic technology, to enable the lock to recognize your fingerprints and opens instantly. The IP65 weatherproof rating protects the lock from rain and dust, suitable for outdoor uses. 【Heavy Duty and High Security】Our padlock is built with heavy duty alloy metal and Boron Steel to yield high body rigidity and solid security. Durable TPU material body shield and PVD plated shackle protect the surface of your locked items. The lock has ASTM Grade 3 rating and can withstand a pulling force of over 1000 pound with its patented Double Ball Rollers locking mechanism. 【Easy Charging】With our advanced lithium battery technology, one quick charge via its small Type C port supports thousands of openings, or up to 6 months of usage, giving you a long-lasting and worry-free security. The smart padlock will remain locked when it is out of battery, a simple connection to a USB power bank supply resumes normal operation instantly. 【Peace of Mind】A back up key is provided as an emergency opening option., Weight: 0.65 pounds, Manufacturer: Prezlock