| Outdoor security sensors detect intruders as soon as | | | | for remote sites where guards are not a viable |
| they enter a protected area and before they can | | | | alternative. |
| gain access to people or valuable assets. | | | | Outdoor sensors face challenges not found in indoor |
| In a correctional environment, security sensors can | | | | security situations. Environmental conditions, such as |
| be used to immediately detect prison escape | | | | temperature extremes, rain, snow, animals, blowing |
| attempts. A quality outdoor security system | | | | debris, seismic effects, terrain and traffic, must all be |
| demonstrates a significant return on investment by | | | | taken into account. When functioning under these |
| reducing the risk of theft, damage or personal injury. | | | | adverse conditions, the system must continue to |
| Outdoor sensors can be used either to complement | | | | maintain a high probability of detection while |
| indoor security sensors or as primary security in | | | | minimising false alarms (alarms with unknown causes) |
| situations where indoor security is not feasible. Able | | | | and nuisance alarms (environment-related alarms), |
| to protect assets at both manned and unmanned | | | | both of which can reduce confidence in the security |
| sites, outdoor security sensors are a practical solution | | | | system's performance. |