General description This portable door lock enhances security and privacy, effectively preventing unauthorized entry. It is particularly useful for travelers, business trips, or individuals living alone, ensuring that doors cannot be opened from the outside, even with a key. Technical specifications Material: Durable stainless steel with a sturdy ABS plastic cover Dimensions: 10.9 x 3.2 x 1 cm Hole sizes: 2 cm and 3 cm Installation Easy to install or remove in seconds without any tools Simply insert the metal piece into the lock slot, close the door, and place the red handle groove on the metal sheet stud Usage Ideal for hotels, dorms, apartments, short-term rentals, Airbnbs, bathrooms, bedrooms, or private rooms Can be used to prevent pets from going outside and to keep children safe from opening doors to strangers