Keep people off your land using Extreme Hunting Solutions No Trespassing Sign. It clearly displays a warning that cellular camera surveillance is used on the property and is the only sign on the market that displays this message. Printed with UV-resistant ink so it will last for years. Easily attaches to trees and fences. Highly visible colors ensure potential trespassers will see it. Available: Aluminum Made of rustproof heavy-gauge aluminum. Per 1. Tyvek Printed on Tyvek type tear-resistant material. Per 10. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: No-Trespassing Signs.