When choosing an IP65 LED triproof light, consider the following factors:

1. Brightness: Look for a triproof light with a high lumen output to ensure it provides enough illumination for your needs. The brightness required will depend on the size of the area you need to light up and the purpose of the lighting.

2. Color temperature: The color temperature of the LED triproof light will affect the ambiance and mood of the area. Choose a color temperature that suits the environment and the activities that will take place in the area.

3. Wattage: Choose a wattage that suits your energy efficiency goals and the brightness you need. A higher wattage light will be brighter, but will consume more energy.
   

4. IP rating: Look for a triproof light with an IP65 rating, which means it is dust-tight and protected against water jets. This makes it suitable for outdoor and indoor use, even in harsh environments.

5. Quality: Choose a triproof light from a reputable manufacturer with a good track record for producing high-quality products. This will ensure that the light is durable and long-lasting.

6. Mounting options: Consider the mounting options available for the triproof light, such as surface mounting or suspension mounting. Choose the mounting option that is most suitable for your installation location.

7. Additional features: Some triproof lights may have additional features such as dimming capabilities or motion sensors. Consider these features if they are important for your specific lighting needs.

By considering these factors, you can choose an IP65 LED triproof light that meets your lighting requirements and provides reliable and durable performance.