This keyless entry door lock provides secure access with password or key unlocking for front doors and other standard American doors. It supports up to 300 passcodes and includes one-time password capability plus anti-peeping code protection for added privacy. The aluminum alloy construction and IP63 weather resistance help it perform reliably indoors or outdoors in a wide temperature range. Auto-lock timing and a constant-open mode add everyday convenience, while the reversible handle supports left- or right-hand installation.