Hikvision DS-2TD2166-25/V1 Thermal Network Bullet Camera equipped with built-in GPU which support intelligent perimeter protection algorithm, can realize high precision VCA detection and real-time alarm. It is applied to perimeter protection and fire-prevention purposes in critical infrastructures such as airport, railway, prison, power station, 4S stores, and so on. The pre-alarm system helps you discover unexpected events immediately and protects you from property loss.