For a CCTV camera outer stand with a metal body, you'll want to focus on the following aspects to ensure durability and stability:

1. **Material**: Look for stands made of high-grade materials like aluminum. These materials are resistant to rust and can withstand harsh weather conditions.

2. **Design**: Choose a stand with a robust and stable design. It should have a strong base and adjustable arms to securely hold the camera and allow precise positioning.

3. **Mounting Options**: Ensure the stand has compatible mounting options for your camera and that it can be securely fixed to walls, ceilings, or poles.

These considerations will help you choose a metal stand that provides reliable support and protection for your CCTV camera.