Opened but never installed. Not compatible with the existing door and needed to drill a new hole to fit. Landlord did not approve to put a new hole on the existing door. The Ruveno Weatherproof Smart Door Lock with Handle is a sleek and secure option for various types of doors. Made from durable zinc material and featuring a black Lacquered finish, this unit is designed for hidden, front, security, and glass doors. With keyless entry and fingerprint unlock features, this modern door lock by Ruveno offers convenience and peace of mind for homeowners looking to upgrade their security system. The unit is compact, with dimensions of 11.8 cm in height and 23.8 cm in width, making it suitable for most standard door sizes.