【 Wide Range of Applications 】Not only suitable for home front doors and garden fences , but also an ideal choice for warehouses , garages , cabinet doors , and chain link gates . One lock can address multiple security needs 【 Changeable Password 】The password can be changed anytime and at will , offering convenience and flexibility . When friends , family , or workers visit , there’s no need for extra keys , simply share the password , and you can modify it afterward for added security 【 Password Unlock 】Completely get rid of the hassle of losing or forgetting keys . With a 4 digit code , it opens immediately upon entry , providing a seamless unlocking experience for your front door , garage , or toolbox 【 Mechanical Structure 】Completely mechanical design , no battery required , so you never have to worry about being locked out due to power depletion . The upgraded extended lock design accommodates a wider range of latch types 【 Zinc Alloy Structure 】Made of high strength zinc alloy with an integrated structure , effectively resisting cutting and violent destruction , always protecting your property and privacy, Manufacturer: PATNFR