Features Medium size pet door: Fits pets with waistline within 20cm and weight less than 8lbs Transparent flap: Your pet can enter without opening the door Brushy edge flap design: Designed so your pet is not hurt while entering. Built-in magnetic closing function: The door is automatically closed when your pet leaves. Lockable design: 2 sliding locks at the bottom of the flap cover enables the door to be locked so your pet is not lost while unattended. Customise your flap function: Four setups to choose from - swing out only, in only, both in and out, and fully locked Specifications Colour: Black* (White shown for display purposes but please note colour may vary from batch to batch). Material: ABS frame & acrylic door piece Weight: 350g approx Size dimensions (approx):- Overall size: 19*19.7*5.3cm- Flap door size: 16*15.7cm Package contents: 4 way flap door x1, screws x8, screw decoration caps x8 Required tools for installation (not included): Screwdriver, Electric drill*, chainsaw*/iron saw*/glass scratching tool*, measuring ruler, pencil, paper How to install: 1. Draw outline of the outer door frame on a piece of paper and cut it out2. Put drawing on door and outline on the door with pencil3. Drill a hole in each of the 4 corners of drawn door, then start digging directly if there is a chainsaw. If it is a glass door, use a glass scratching tool to gently open it and fix it with glass glue.4. Install door with the screws 5. Complete installation by pressing screw covers Flap setup instructions: - Flap Locked: Slide red button to the left & blue button to the right- Flap Unlocked: Slide red button to the right & blue button to the left- Flap Exit Locked: Slide red & blue buttons to the left- Flap Entry Locked: Slide red & blue buttons to the right Please note Please allow a leeway of a few centimetres in size dimensions due to hand measurement. There may be a colour discrepancy between the actual product and photos due to different room lighting, device screen settings. Colour may also vary from batch to batch. Accessories and other items shown for display purposes are not included