Smart Cat Door Automatic Sensing with Collar Activated Easy Installation Pet Door for Home Feature: 1. [Smart Sensing Technology]: The smart cat door utilizes advanced sensing technology to automatically identify your pet/39;s identity and manage their entry and exit direction, ensuring seamless navigation for your furry friend. 2. [Dual Entry and Exit Options]: With support for 2 way entry methods, this pet door allows your pets to move indoors and outdoors, offering them the flexibility and convenience they deserve for their daily activities. 3. [Easy Operation]: The collar activated cat door simplifies the process of letting your pets in and out, making pet management quick and effortless, so you can focus on spending quality time with them instead. 4. [Easy to Clean Materials]: Crafted from high grade plastic materials, the smart pet door is not only built to withstand daily use but is also easy to clean, ensuring it remains a practical addition to your home for years to come. 5. [Safe Mechanisms]: Equipped with multiple safety guard mechanisms, this smart cat door guarantees the security of your pets as they come and go, providing peace of mind for pet owners at all times. Specification: Item Type: Smart Pet Door Material: Plastic Size: Approx. 26x29.5cm / 10.24x11.61in Battery Type: 1.5V AA Battery x4 (Batteries Not Included) How to Use: Simply assemble and install the battery to start using. Package List: 1 x Pet Door 1 x Assemble Door 2 x Collar 8 x Screws 1 x Instruction Manual 5 x Accessories