Easy to use, simply insert the metal piece into the door slot, aligns the handle grooves, and secure your space from unwanted intruders This portable door provide you with extra security and privacy, greatly improving your security and unauthorized entry or remove, Our Security Door can be installed in seconds without any tool Great for business trip, travel, or living alone, it enhances your security Add a portable door to provide effective and protections for Hotel, Apartments, Dormitories, Bathrooms, Bedrooms, Manufacturer: Oxxggkao