Such technology is mature and in most cases mandatory by laws and regulations. So you cannot and should not avoid it. However, in many cases it has been proved ineffective due to its “operation principles” (i.e., even if product quality is perfect and guaranteed). Meleagros can monitor large and open areas and also provide visual verification of the incident. We should not forget that early-warning is not always the sole objective of a safety and security system: early assessment of the situation is equally important.