To effectively deter intruders, consider using clear and visible security warning signs at your premises. Here are some suggestions for your signage:

1. Security System Warning Signs: Indicate that the premises are monitored by surveillance cameras or alarm systems. Phrases like “24-Hour Video Surveillance” or “Alarmed Premises” can be effective.
2. No Trespassing Signs: Clearly mark your property lines with “No Trespassing” signs, which serve as a legal warning against unauthorized entry.
3. Dog Warning Signs: If you have a dog on the property, a sign stating “Beware of Dog” can deter potential intruders.
4. Neighborhood Watch Signs: If your area has a neighborhood watch program, displaying these signs shows that the community is vigilant.
5. Lighting and Motion Sensor Alerts: Signs indicating “Motion-Activated Lighting” can warn intruders that their movements will trigger lights, making them more visible.
6. Prohibition Signs for Specific Areas: Use prohibition signs to indicate restricted areas on your property, such as “Authorized Personnel Only.”

When designing these signs, ensure they comply with local regulations and are made of durable materials for outdoor use. Bright colors and reflective surfaces can enhance visibility, especially at night.