---
product_id: 505937762
title: "Sponsored Ad – Cat Door, Safety Pet Door with 4 Way Lock, Weatherproof & Easy Installation Cat Flap Door for Interior Exterior Door, Window, Wall(Medium, 15cm x 15.5cm Flap)"
brand: "lessmon"
price: "1148009₫"
currency: VND
in_stock: true
url: https://www.desertcart.vn/products/505937762-sponsored-ad-cat-door-safety-pet-door-with-4-way
store_origin: VN
region: Vietnam
---

# 4-way lock modes weatherproof sealing DIY easy install kit Sponsored Ad – Cat Door, Safety Pet Door with 4 Way Lock, Weatherproof & Easy Installation Cat Flap Door for Interior Exterior Door, Window, Wall(Medium, 15cm x 15.5cm Flap)

**Brand:** lessmon
**Price:** 1148009₫
**Availability:** ✅ In Stock

## Summary

> 🚪 Unlock your pet’s freedom with style and security!

## Quick Answers

- **What is this?** Sponsored Ad – Cat Door, Safety Pet Door with 4 Way Lock, Weatherproof & Easy Installation Cat Flap Door for Interior Exterior Door, Window, Wall(Medium, 15cm x 15.5cm Flap) by lessmon
- **How much does it cost?** 1148009₫ with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/505937762-sponsored-ad-cat-door-safety-pet-door-with-4-way)

## Best For

- lessmon enthusiasts

## Why This Product

- Trusted lessmon brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Built to Last:** Durable ABS plastic frame resists weather and wear for years of use
- • **Versatile Fit:** Medium size fits cats & small dogs, installs on doors, windows, walls & more
- • **Energy Smart Seal:** Magnetic flap and sealing strip reduce drafts, saving on heating & cooling
- • **Effortless Freedom:** Quiet, smooth flap ensures your pet’s independent comings and goings
- • **Total Control Access:** 4 lock modes let you customize pet entry and keep strays out

## Overview

This medium-sized cat door features a sturdy ABS plastic frame with a 4-way locking system for customizable pet access. Weatherproof sealing and a magnetic flap minimize drafts and keep out pests. Designed for easy DIY installation on various surfaces, it fits cats and small dogs up to 40cm waist circumference, offering durable, quiet, and secure pet passage indoors and outdoors.

## Description

Sponsored Ad – Cat Door, Safety Pet Door with 4 Way Lock, Weatherproof & Easy Installation Cat Flap Door for Interior Exterior Door, Window, Wall(Medium, 15cm x 15.5cm Flap)

## Features

- Freedom & Convenience - Through the great cat door, your cats or small dogs can go in and out easily and quietly. They won’t feel trapped and you no longer bother to open or close the door for them.
- Safer with 4 Lock Modes - By slide the switches, you can adjust the access mode to Free In & Out, Fully Locked, Out Only, In Only, control your pet’s access and keep away stray animals.
- Durable & Comfortable - Made of sturdy ABS plastic, the cat door interior door is ready to serve your pets for long time. With sealing well strip, magnet for aligning, it can keep away bugs and the smell of cat litter, reduce the loss of cold air in summer and the loss of heat in winter.
- Medium Size & Versatile - With 19cm x 20cm outer size, 15cm x 15.5cm flap,this pet door is for cats and small dogs with waist circumstance shorter than 40cm. Perfect for interior and exterior doors of wood, PVC, metal, paneled etc. It also can be installed in windows, wall, cat litter box etc.
- Easy to Install - The cat door for exterior door comes with detailed instructions, 8 screws and their caps, double-sided tapes. After the necessary tools are ready, you can DIY easily. In addition, the tunnel depth can be cut on demand.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Frame material | Plastic |
| Dog Breed Size | Medium |
| Model Number | Lessmon-Cat Door |
| Product Dimensions | 5.5 x 19 x 20 cm; 340 g |
| Item Weight | 340 g |

## Product Details

- **Size:** M
- **Brand:** Lessmon
- **Colour:** White
- **Material:** Plastic
- **Minimum compatible thickness:** 5.5 Centimetres

## Images

![Sponsored Ad – Cat Door, Safety Pet Door with 4 Way Lock, Weatherproof & Easy Installation Cat Flap Door for Interior Exterior Door, Window, Wall(Medium, 15cm x 15.5cm Flap) - Image 1](https://m.media-amazon.com/images/I/61zWlbIZvoL.jpg)
![Sponsored Ad – Cat Door, Safety Pet Door with 4 Way Lock, Weatherproof & Easy Installation Cat Flap Door for Interior Exterior Door, Window, Wall(Medium, 15cm x 15.5cm Flap) - Image 2](https://m.media-amazon.com/images/I/71xFTujPyoL.jpg)
![Sponsored Ad – Cat Door, Safety Pet Door with 4 Way Lock, Weatherproof & Easy Installation Cat Flap Door for Interior Exterior Door, Window, Wall(Medium, 15cm x 15.5cm Flap) - Image 3](https://m.media-amazon.com/images/I/71EYiPkLH6L.jpg)
![Sponsored Ad – Cat Door, Safety Pet Door with 4 Way Lock, Weatherproof & Easy Installation Cat Flap Door for Interior Exterior Door, Window, Wall(Medium, 15cm x 15.5cm Flap) - Image 4](https://m.media-amazon.com/images/I/71htBzjUC7L.jpg)
![Sponsored Ad – Cat Door, Safety Pet Door with 4 Way Lock, Weatherproof & Easy Installation Cat Flap Door for Interior Exterior Door, Window, Wall(Medium, 15cm x 15.5cm Flap) - Image 5](https://m.media-amazon.com/images/I/71b3OWmlKcL.jpg)

## Available Options

This product comes in different **Size Name** options.

## Questions & Answers

**Q: Can you tell me the hole centres frm top to bottom and side to  side please as this is to replace one already fitted please.  Tom Brady**
A: Yes it does, I bought this as a replacement for my original one.

**Q: Is the flap sturdy enough to keep the little fluff balls in when it's locked? Mine are escape artists and worked in tandem to break the last one!**
A: Yes definitely. In fact our little one struggles to get through when it’s unlocked as the fraught exclusion seal keeps the flap quite snug. Our big cat cannot get through when locked. Very good cat flap

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**Shop now:** [https://www.desertcart.vn/products/505937762-sponsored-ad-cat-door-safety-pet-door-with-4-way](https://www.desertcart.vn/products/505937762-sponsored-ad-cat-door-safety-pet-door-with-4-way)

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*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-01-24*