Heavy Duty and High SecurityOur 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 ChargingWith 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 MindA back up key is provided as an emergency opening option.